Pratap Chandra, a resident of Lucknow has filed a complaint against Serum Institute of India (SII) CEO Adar Poonawalla and others, alleging that he did not develop antibodies despite taking a Covishield dose. The complaint has been filed at Aashiana police station in Lucknow.

Those also named in the complaint are DCGA director, Joint Secretary of Health Ministry Luv Agarwal, ICMR director Balram Bhargava, National Health Mission director Aparna Upadhyay, among others. Pratap Chandra has said in the complaint that he received the first dose of Covishield on April 8. Chandra said he was supposed to receive the second dose 28 days later but on the said day, he was told that the date for the second dose had been extended by six weeks.