<prompt> ICMR delhi and NIV pune has developed an ELISA kit for COVID 19 antibody detection test known as :Nishchay ELISAAarogya ELISAChhaya ELISAKavach ELISA  <response>: Kavach ELISA Indigenous ELISA Developed by isolating virus from indian individual. Will be used for surveillance purpose. Sero-Surveillance to be undeaken in 24000 people in 69 districts of the country. Surveillance at household level. Its just a survillence kit , diagnosis will still be done by -PCR test. 