A significant achievement has been recorded by the School of Agro and Rural Technology (SART), IIT Guwahati, with the grant of an Indian patent for an innovative invention entitled “QualiTea: A Paper-Based Colorimetric Test Strip for Assessing Tea Purity/Quality.”
The invention was developed by Mr. Kaushal Agarwal (PhD scholar, SART), Ms. Kushala Tatineni (NPTEL Pre-doctoral Intern) and Prof. Pranab Kumar Mondal (Professor, Mechanical Engineering and Associate Faculty at SART).
The patent (Patent No. 602840, Application No. 202531070624, filed on 24 July 2025) has been granted by the Patent Office, Government of India, to the Indian Institute of Technology Guwahati.
This achievement highlights the collaborative research efforts and innovative contributions towards developing a simple, paper-based approach for assessing tea purity and quality. The recognition marks another notable milestone in the research and innovation activities of IIT Guwahati.
