IIT Guwahati developed high quality and affordable Sterile SPILD VTM kits, RT-PCR kits and RNA isolation kits. NIRF - 2020 List. IITGuwahati ranked 350th in the Overall World Category and 6th in Overall India Category in the Nature Index Annual Ranking 2020. On the occasion of World Environment Day plantation drive has been organized in IITG. IIT Guwahati's COVID Initiatives. Hon'ble MoS.