Keynote Talks:

• Going to deliver an invited talk in Asian Packaging Congress, New Delhi on 18th March 2023. Topic: Nano-Biodegradable and Sustainable Packaging - Recent Innovations.
• Delivered an invited talk in International conference on Polymers for Advanced Technology, Goa on 23rd Feb 2023. Topic: "Polymers for Packaging". 
• Speaker and Session Organizer (Presider) on Asia Pacific Young Scientists Symposium in Polymer Science and Engineering, 29th March 2023, Indianopolis, USA. Topic: Biodegradable polymers for high end applications: An Indian Perspective
• Speaker& Panelist at National Convention 2023 on Plastics Recycling, EPR & Waste Management scheduled on 24th February, 2023 at Courtyard by Marriott, Ahmedabad
• Speaker and Panelist' at National Convention 2023 on Plastics Recycling, EPR & Waste Management Dt. 6th January, 2023 at The HHI, AJC Bose Road, Kolkata.
• Delivered a talk on SPSI Macro 2022 to be held in Pune between 2-4 Nov 2022 on the topic “Biodegradable Products Development Using Home Grown Technologies”.  
• Delivered an invited talk on “Plastic Circularity and Sustainability” in 4th International Conference on Sustainability Education (ICSE-2022), September 09-10, 2022, Scope Convention Centre, New Delhi.
• Delivered a keynote talk on "Nanotechnological Interventions in Edible Food Packaging" in International Conference on Technological Interventions for Sustainability, April-16,2022, MNNIT Allahabad and University Sains Malaysia.
• Invited talk as the Resource Person in the Workshop on “Writing successful research grants: A sustained effort to create knowledge” on December 6, 2021 at CIT Kokrajhar.
• Keynote speaker in 1st International Conference on Pollution Prevention and Clean Technologies (ICPPCT) & Taiwan-India in Emerging Environment and Energy Challenges of Technology Exchange, during December 6th – 7th, 2021 in Chennai, India.
• Delivered the expert lecture as Resource Person in the "AICTE Training and Learning Academy (ATAL) Sponsored Faculty Development Programme on Plastics Product Manufacturing & Recycling Techniques " during 19th July to 23rd July, 2021, CIPET:CSTS Guwahati.
• Delivered an expert lecture in the Two Week Short Term Training Program (STTP) on “Water Quality Complication, Restoration and Environmental Conservation of Existing Water Bodies” from 26th July to 7th Aug 2021.
• Delivered a talk on "Technology and Innovation pathways to Sustainable development", 2-day training program on "Environment, Development and Sustainability, GOVERNMENT OF ASSAM DIRECTORATE OF TRAINING [2021]
• Delivered a talk on NRL Webinar on "2G Ethanol Plants - Challenges and Opportunity" on 28th May 2021
• Delivered a keynote address on “Introduction to Sustainable Polymer” in 26^th International Conference of Interantional Academy of Physical Sciences, during 18-20 December 2020 at IIT BHU.
• Delivered two talks titled "Introduction to Polymeric Materials" and "Advances in Biodegradable Polymeric Materials" in the faculty Development Program titled "Technological Advances in Environmental Friendly Materials and Processing" held at Katihar College of Engineering from July 20-25, 2020. 
• Delivered a talk titled "Nanobiocomposites for Commodities Applications" in the Symposium entitled "Nanomaterials for Engineering and Biomedical Application-2020" held from July 27-29, 2020.
• Gave a talk on "Advances in Biocomposites" in a seminar entitled "Advances in Manufacturing, Materials and Modelling Process", held from August 17-22, 2020.
• Delivered three talks entitled "An Overview of Industry and academia Relationship", "Challenges in Polymer Industries: Role of Academic Institutions" and "Growth of Indian Economy through Industry Academia Intervention" in a workshop titled "Academia to Industry: Challenges and Opportunities-2020" held from August 31- September 5, 2020.
• Dr. Vimal Katiyar delivered an Keynote talk on Effect of Functionalized Biopolymers on Stereocomplexation and Properties of Poly (lactic acid) Nanocomposites, 7^th World Congress on Biopolymers and Polymer Chemistry, June 04-06, 2018, Osaka, Japan.
• Dr. Vimal Katiyar, delivered a Keynote Talk on Biodegradable Polymeric Nano-materials for commodity, Engineering and Biomedical Applications in Advances in Sustainable Polymer (ASP-17), January 8-11, 2018,  IIT Guwahati.
• Dr. Vimal Katiyar Delivered a Special Talk Development of Heat stable PLA, World food India 2017, International Food Summit during November 3-5, 2017 at New Delhi.
• Dr. Vimal Katiyar Delivered a Special Talk on Biodegradable bio-nanocomposite products and Technologies for commodity and medical applications in International conference on India Bioplastic Summit, November 24-25, 2017, Bangalore.
• Dr. Vimal Katiyar, delivered a Keynote Talk on Sustainable Polymers for commodity, engineering and Biomedical Applications in APA International Conference on Advances in Polymer Science and Technology, November 23-25, 2017, New Delhi.
• Dr. Vimal Katiyar, delivered a Special Talk on Stereocomplex Poly (lactic acid) based bionanocomposites in International Conference on Polymer Science and Technology, January, 2017, MACRO 2017.
• Dr. Vimal Katiyar, delivered a Special Talk on Sustainable Polymers on Food Packaging, in GIFU University, GIFU, Japan, December 19, 2016.
• Dr. Vimal Katiyar, delivered a Special Talk on Stereocomplex Poly (lactic acid) based bionanocomposites in International Conference on Polymer Science and Technology, January, 2017, MACRO 2017.
• Dr. Vimal Katiyar, delivered a Keynote Talk on Fabrication Strategies of Bionano filles and their influence on the Performance of Bioplastics, III3d International Symposium on Advances in Sustainable Polymers, August 4-6, 2016, Kyoto, Japan.
• Dr. Vimal Katiyar, delivered a Keynote Talk on Bionano-fillers for Designing High Performance Sustainable Plastics in CHEMCON 2015, Dec. 27–30, 2015, IIT Guwahati, Guwahati, Assam. 
• Dr. Vimal Katiyar, delivered a Keynote Talk on Neo-PLA based composite technologies for engineering applications in International Symposium on Fiber Science and Technology 2014 - September 28-October 1 2014, Tokyo, Japan.

• Going to deliver an Invited Talk in the Conference Advances in Polymer Processing for Sustainable Development (APPSD 2022) on 14-15 Oct 2022 at IIT Bombay and Pillai College of Engineering, New Panvel Campus.
• Going to chair the session “Decarbonizing the future and the relevance of Circular Economy” in 1^st Northeast Tech Expo & Summit 2022 on September 23, 2022 at the Maniram Dewan Trade Centre, Guwahati.
• Delivered a talk as Invited Guest speaker on “BioPlastics & Sustainable Packaging” in BIOPLASTEX 2022 - International Conference & Exhibition, on 24th & 25th June 2022, Manpho Convention Centre, Bangalore, India.
• Invited speaker to deliver a talk on “Biodegradable and Nano-Packaging for Future Application in Food Packaging” in Future Road Map on Industry-Academia Meet: Safe, Secure & Sustainable Food Packaging on 16th March 2022 at Hotel Eros, Nehru Place, New Delhi.
• Delivered an invited talk on “Sustainable Polymer based composites for Commodity, Engineering & Biomedical Applications” in ACS Seminars: Advances in Polymer Nanocomposites, on October 18-19, 2021 at IIT Roorkee.
• Delivered an invited talk on “Biodegradable plastics in Indian context“in 3rd International Conference on Recent Advances in Fundamental and Applied Sciences (RAFAS-2021), during June 25– 26, 2021, Lovely Professional University Phagwara (India).  
• Delivered an invited talk on 'Status of Biodegradable Plastics in Indian Context' in the Plastics & Polymers Technology Conference (PPT 2021) on 15-16 June, 2021 Matcorr, Delhi.
• Delivered an invited talk on the topic of "Sustainable Polymers for Commodities, Engineering and biomedical Applications" on 4th May, 2021 in Polymer & Elastomers Town hall meeting.
• Delivered an invited lecture in 12^th chapter of International Conference on Advancements in Polymeric Materials, APM 2021, during March 9 – 13, 2021 at Bhubaneswar, organized by Laboratory for Advanced Research in Polymeric Materials (LARPM), R&D wing of CIPET.
• Delivered an invited talk in AICTE sponsored ATAL-FDP (Faculty Development Program) on “Emerging Food Processing Technologies: Prospects and Challenges for Food and Nutrition Security” from 04th-08th January 2021.
• Delivered an invited talk on the topic of “Sustainable Polymer based formulations for High End Applications” in 4th Japan‐India YNU Symposium 2020 (Web symposium using Zoom) on "Science, Technology and Innovations for SDGs in India and Japan”, 27-28 December 2020
• Delivered an invited talk on the topic of “Biodegradable Plastics and related application including food packaging” in Vaishvik Bhartiya Vaigyanik (Vaibhav) Summit 2020, October 13, 2020.
• Delivered an invited talk as resource Person on “Polymer Nanocomposites: Fundamentals and Applications” in the lecture workshop organized by NIFTEM (host institution) sponsored by Indian Science Academies, 29-30th August, 2020.
• Delivered an invited talk on “Sustainable Polymer based Formulations for High End Applications” in the International Workshop on "Green and Sustainability in Polymers and Functional Materials: Opportunity and Challenges" on February 4-5, 2020 in IIT Kharagpur.
• Delivered an invited talk on “Melt Processing of Recyclable Poly (lactic acid) Bio-nanocomposites” in the 11^th edition of APM 2020, during February 13 - 15, 2020 in CIPET:SARP-APDDRL, Bengaluru.
• Delivered an invited talk on “Sustainable Polymer based Formulations for High End Application” in the Engineering Sciences and Technologies for Environmental Care during 20-22nd February 2020 in CSIR-North East Institute of Science & Technology, Jorhat.
• Delivered an invited talk on “Synthetic and Natural Polymers Processing” in 27^th Indian Convention of Food Scientist and Technologist during December 18-20, 2019 at Tezpur University, Tezpur, Assam, India
• Delivered an invited talk on “Recent Activities on Chitosan Related Research” in 8th Indian Chitin Chitosan Society Symposium 2019, 19th-20th September, 2019 at the Institute of Chemical Technology, Mumbai.
• Dr. Vimal Katiyar deilvered a talk on Functionalization of Cellulose Nanocrystals for Development of Polymeric Bionanocomposites and Applications in Sustainable Chemical Processes in POLY-CHAR 2019, Kathmandu during May 19-23, 2019.
• Dr. Vimal Katiyar delivered a talk on Polymer Enggineering in Department of Chemistry, Assam Enginerring College under TEQUIP III program on April 27th, 2019.
• Dr. Vimal Katiyar delivered a talk on Tailor-Made PLA Formulation for High End Applications on March 28th, 2019 at NatureWorks LLC, USA. 
• Dr. Vimal Katiyar delivered a talk on Experimental Development on Fuel Cell Research: An IIT Guwahati Perspective on 6th March, 2019 at National Ilan University, Taiwan.
• Dr. Vimal Katiyar delivered an invited talk in International Conference on Trends in Plant Sciences and Agrobiotechnology (ICTPA 2019), at IIT Guwahati, during 14-16 February, 2019.
• Dr. Vimal Katiyar delivered an invited talk on Heat Stable Polylactic Acid based Composites for Commodity and Biomedical Applications in 10th International Conference on Advancements in Polymeric Materials, APM 2019, at CIPET Chennai, during 22-24 January, 2019.
• Dr. Vimal Katiyar delivered an invited talk on Biodegradable Plastics for Commodity, Engineering and Biomedical Applications, in 15th International Conference on Polymer Science and Technology (SPSI-MACRO-2018), at IISER Pune, during 19th to 22nd December 2018.
• Dr. Vimal Katiyar delivered an invited talk on Biodegradable Food Packaging, International Conference on Recent Advances in Food Processing Technology (iCRAFPT), at Thanjavur, during 17th to 19th August 2018.
• Dr. Vimal Katiyar delivered an invited talk on Sustainable Polymers and Nanocomposites, under TEQIP III in the department of Chemical Engineering, IIT Guwahati, on July 17, 2018.
• Dr. Vimal Katiyar delivered an invited talk on Biodegradable Plastics for Commodity, Engineering and Biomedical Applications, International Conference on Emerging Canada and India: Challenges of Sustainable Development Goals, New Delhi, India, June 8, 2018.
• Dr. Vimal Katiyar delivered an invited talk on Sustainable Polymers for Commodity, Engineering and Biomadical Applications, in Yokohama National University, Yokohama, Japan, May 31, 2018.
• Dr. Vimal Katiyar delivered an invited talk on Sustainable Polymers for Commodity, Engineering and Biomadical Applications, in Nagoya Institute of Technology, Nagoya, Japan, May 28, 2018.
• Dr. Vimal Katiyar delivered an invited talk on Sustainable Polymers: fundamentals to Product Design, in the seminar, organized by Japan BioIndustry Association, Tokyo, Japan on May 25, 2018.
• Dr. Vimal Katiyar delivered an invited talk on Sustainable Polymers, GIFU university, Gifu, Japan on May 29, 2018.
• Dr. Vimal Katiyar delivered an invited talk Role of Biocatalytic Enzymes for the production of Chemicals through biorefinery Approaches, Faculty of Engineering, GIFU university, Gifu, Japan on May 23, 2018.
• Dr. Vimal Katiyar delivered an invited talk on Biodegradable Polymers: research and Development Activities at IIT Guwahati, GIFU University, Gifu, Japan on May 24, 2018.
• Dr. Vimal Katiyar delivered an invited talk on Sustainable Polymers, GIFU University, Gifu, Japan on May 29, 2018.
• Dr. Vimal Katiyar delivered an invited talk on Effect of Functionalyzed Biopolymers on Stereocomplexation and Properties of Poly(lactic acid) Nanocomposite Films, trays, and 3D Printed Implants, National chaung Kong University, Tainan, Taiwan on May 15, 2018.
• Dr. Vimal Katiyar delivered an invited meeting and visit to Centre of Organo-Electronic research, Min-Chi University of Technology, Taisung, Taiwan on May 11-13, 2018.
• Dr. Vimal Katiyar delivered an invited talk on Joint Project Presentation of Indian Side on the Progress of finding a new solution of Sustainable Energy from Waste Water: Sustainabe Polymers for Advance Application, National I-Lan University, Yi-Lan county, Taiwan on May 11, 2018.
• Dr. Vimal Katiyar delivered an invited talk on Sustainable Polymers for Commodity, Engineering and Biomadical Applications, Taiwan National University of Science and Technology, Taipai,Taiwan on May 10, 2018.
• Dr. Vimal Katiyar delivered an invited talk on Microbial Fuel Cells in Taipei University of Technology, Taipai, Taiwan on May 9, 2018.
• Dr. Vimal Katiyar delivered an invited talk on Sustainable Polymers for Energy Storage and Conversion Devices, Feng Chia University, Taichung,Taiwan on May 7, 2018.
• Dr. Vimal Katiyar delivered an invited talk on Sustainable Polymers for Commodity, Engineering and Biomadical Applications, Feng Chia University, Taichung, Taiwan on May 7, 2018.
• Dr. Vimal Katiyar delivered an invited talk on Biodegradable Plastics for Commodity, Engineering and Biomadical Applications, International Conference on Emerging Canada and india: Challenges of Sustainable Development Goals, New Delhi, India, June 8, 2018.
• Dr. Vimal Katiyar delivered an invited talk on Bionanocrystals: Fabrication and its Uses in Commodity and Biomedical Applications, in Kyoto Institute of Technology, Kyoto, Japan, June 5, 2018.
• Dr. Vimal Katiyar delivered an invited talk on Sustainable Polymers and Nanocomposites for Advance Applications, in Kyoto University, Kyoto, Japan, June 1, 2018.
• Dr. Vimal Katiyar delivered an invited talk on Nanobiocomposites for Advance Applications, in Tomos Bata University, Zlin, Czech Republic, April 20, 2018.
• Dr. Vimal Katiyar delivered an invited lecture on Biodegradable Plastics for Advance Applications, 63rd Annual Technical Session of Assam Science Society: 2018, (ASSET-2018) Central Institute of Technology Kokrajhar, March 9-11, 2018
• Dr. Vimal Katiyar delivered an invited talk on Biodegradable Plastics for Commodity, Engineering and Biomedical Applications, NRC-2017 & ICEP 2018 February 23-25, 2018, Guwahati
• Dr. Vimal Katiyar, delivered an Invited Talk on Biobased and Biodegradable plastics for stringent Food Packaging Applications during Second Indo-Japan Bilateral Symposium on Future Perspective of Bioresource Utilization in North East India, February 1-4, 2018,  IIT Guwahati.
• ​Dr. Vimal Katiyar delivered a talk on Biodegradable Polymer Based Research & Development Activities at IIT Guwahati during 8th National Science Film Festival of India 2018, 20-24 February 2018, Guwahati.
• Dr. Vimal Katiyar delieverd an invited lecture on Compostable Plastics for Commodity, Engineering and Biomedical Applications, Second International Conference on waste Management (Recycle 2018), February 22-24, 2018, IIT Guwahati
• ​Dr. Vimal Katiyar delivered a talk on Biodegradable Plastics for Food Packaging Applications, Research Conclave during International Summit for Packaging Industry (ISPI), New Delhi, India during October 27-28, 2017.
• Dr Vimal Katiyar delivered an invited Lecture on Sustainable Polymers to the Faculty participants in Refresher Course in Nano Science & Nano Technology organized by UGC-Human Resource Development Centre, Gauhati University, Guwahati, Assam during March 22-April 11, 2017.
• Dr Vimal Katiyar delivered an invited Lecture on Role of Nano Technology in Sustainable Polymers to the Faculty participants in Refresher Course in Nano Science & Nano Technology organized by UGC-Human Resource Development Centre, Gauhati University, Guwahati, Assam during March 22-April 11, 2017.
• Dr. Vimal Katiyar, delivered an Invited Talk on Advance Industrially Viable Technologies Using Sustainable Plastics, International Conference on Polymers, Additives, Masterbatches, compounds, organized by SOCIETY OF PLASTICS ENGINEERS INDIA, (SPE India) December 8-9, 2016, Mumbai.
• Dr. Vimal Katiyar delivered an Invited Talk on Nanoamphiphilic Chitosan Dispersed PLA bionanocomposite Cast Films: Improved Thermal, Mechanical and Gas Barrier Properties, International Conference on Functional Materials, organized by Material Science Centre, IIT Kharagpur, December 12-14, 2016.
• Dr. Vimal Katiyar delivered an Invited Talk on Modified Gum Arabic Based Formulation for Structural Adhesion & Gas Barrier Applications in Food Packaging, BIOPROCESSING INDIA (BPI-2016) Conference, Organized by CIAB, MOHALI, December 15-17, 2016.
• Dr. Vimal Katiyar, delivered an Invited Talk on Biobased Plastics: Technology Trends and Commercialization Prospects in Seminar on Plastic Industries Opportunities & Challenges-2016 organized by FINER 2016, September 12, 2016  at Guwahati.
• Dr. Vimal Katiyar, delivered an Invited Talk on Stereocomplex polylactic Acid based bionanocomposites during Third International Conference, Kathmandu Symposia on Advanced Materials, KaSAM – 2016, October17-20, 2016, Pokhara, Nepal.
• Dr. Vimal Katiyar, delivered an Invited Talk on Role of Degradable Plastics and composite products for sustainable Growth of Urban Civilization in 21st Century in 2nd International Conference on "Harnessing Engineering, Technology, and Innovation for Sustainable Growth (HETIS-2016), September 30 -October 1, 2016, Punjab University, India.
• Dr. Vimal Katiyar, delivered an Invited Talk on Biodegradable Polymeric Nanomaterials for Advance Applications TEQIP workshop on "Nanomaterials: Emerging Trends" at Institute of Chemical Technology (ICT), 16th-17th Sep 2016.
• Dr. Vimal Katiyar, delivered an Invited Talk on Biodegradable Polymers Based Food Packaging in Gifu-U/IITG & Gifu-U/UKM Joint Symposium on August 1, 2016, GIFU, Japan.
• Dr. Vimal Katiyar, delivered an Invited Talk in International Conference on Influence of bionano-fillers in improvement of poly(lactic acid) performance, at ISBBB-2016, May 30-June 3, 2016,  Guelph, Canada.
• Dr. Vimal Katiyar, delivered an Invited Talk on Development of Poly(lactic acid) as Drug Delivery Vehicle and For Internal Fixation Orthopedic Devices Fabrication, in International Conference on, at BITERM-2016, April 15- 17, 2016New Delhi, India.
• Dr. Vimal Katiyar, delivered an Invited Talk on Bionano-Fillers based High Performance Sustainable Polymer based Technologies, NanoSciTech, February 18-20, 2016 at Chandigarh.
• Dr. Vimal Katiyar, delivered an Invited Talk on Sustainable Approach for Production of Petrochemicals & Plastics- A Perspective in Exclusive Workshop on Adaptation of Environmental Safety, Measures for development of Chemicals & Petrochemicals in North East, Organized by Confederation of Indian Industries, 18th February, Hotel Liliy, Assam.
• Dr. Vimal Katiyar, delivered an Invited Talk on High Performance Sustainable Polymer Based Technologies using Bionano-Fillers, in International Conference on Polymers for Energy and Environmental Applications at National Cheng Kung University, Tainan, Taiwan, January 29-30, 2016.
• Dr. Vimal Katiyar, delivered an Invited Talk on Polymers for fuel cell applications in KIC-TEQIP short term course on Recent Trends in Fuel Cell Technology at IIT Guwahati, Guwahati, Dec. 28-29, 2015.
• Dr. Vimal Katiyar, delivered an Invited Talk on Polymorphs of Cellulose Nanocrystals (CNCs) and its Applications in Conference on Advancements in Polymer Science & Technology (APA-2015) at Saurashtra University, Rajkot, Oct. 29-31, 2015. 
• Dr. Vimal Katiyar, delivered invited Talk on Cellulose Nanocrystals during Indo German workshop, Delhi University, India, March 30, 2015.
• Dr. Vimal Katiyar, delivered a Lecture in QIP short term course on Advances in Biomedical Engineering at IIT Guwahati, Guwahati, Feb. 25 – Mar 1, 2015. 
• Dr. Vimal Katiyar, delivered a Lecture in QIP short term course on Advances in Renewable Energy Utilization Technologies at IIT Guwahati, Guwahati, Mar 2-6, 2015. 
• Dr. Vimal Katiyar, delivered a Lecture in TEQIP short term course on Transport Processes and Optimization Techniques in Polymers at IIT Guwahati, Guwahati, Dec. 15-20, 2014.
• Dr. Vimal Katiyar, delivered an Invited Talk on Sustainable Polymers: Concept, Research Status, Policies and Regulations in National Workshop on Molecular Modelling and Simulation of Sustainable Polymers and Nanocomposites at IIT Guwahati, August 4-8, 2014.
• Dr. Vimal Katiyar, delivered an Invited Talk on Polylactic Acid Based Nanocomposites for Food Packaging during National Workshop on Molecular Modelling & Simulations of Sustainable Polymers and Nanocomposites at IIT Guwahati May 19-23, 2014.
• Dr. Vimal Katiyar, Sustainable Polymers: A Brief Introduction in National School on Sustainable Polymers and First Symposium in Sustainable Polymers (ASP-14) at Guwahati, India, January 6 - 11, 2014.
• Dr. Vimal Katiyar, Synthesis and Processing of Lactic acid based Polymers in National School on Sustainable Polymers and First Symposium in Sustainable Polymers (ASP-14) at Guwahati, India, January 6 - 11, 2014.
• Dr. Vimal Katiyar, Biodegradable Polymer Based Technologies in National School on Sustainable Polymers and First Symposium in Sustainable Polymers (ASP-14) at Guwahati, India, January 6 - 11, 2014.
• Dr. Vimal Katiyar, delivered an Invited Talk on Biodegradable Polymers and Organic Solar Cells: A Sustainable Material and Energy Prospective, at IIT Guwahati in QIP course, Centre for Environment, November 28, 2012.
• Dr. Vimal Katiyar, Poly (L-lactic acid) based Film Processing for Food Packaging Applications, First Indo -US International Conference on Polymers for Packaging applications, March 31-April 2nd, IL 31, page 41, Kottayam, Kerala, 2012.
• Dr. Vimal Katiyar, Biopolymer nanocomposite films for use in food packaging applications, EU-COST Presentation of research paper in COST-MP0701/Joint Workshop WG1 & WG4 meeting on "Plasma in Nanomaterials and nanocomposites"at Antalya, Turky, October 8-9, 2009.
• Dr. Vimal Katiyar and Hemant Nanavati, Polylactic acid: An emerging bio-degradable polymer for specialty and commodity application in International Conference on Polymer, additives and Master batches at Mumbai, India, October 6-7, 2005.