₹550 and it can be reduced to up to ₹350 when taken to mass production, the researchers said New Delhi: A team of researchers at the Indian Institute of Technology (IIT), Hyderabad claims to have developed a first-of-its kind COVID-19 test kit that can deliver results within 20 minutes.The researchers claimed that the alternative test method is not based on the Reverse Transcription Polymerase Chain Reaction (RT-PCR) -- the method currently being used for COVID-19 testing.The test kit has been developed at a cost of ₹550 and it can be reduced to up to ₹350 when taken to mass production, they said.While a patent has been filed for the test kit, the team has conducted clinical trials at ESIC Medical College and Hospital in Hyderabad and.