CoWIN self-registration begins on March 1: NHA chief answers all your queries | Exclusive CoWIN self-registration begins on March 1: NHA chief answers all your queries | Exclusive In an exclusive interview with India Today TV, RS Sharma answered all queries related to the CoWIN platform and how people eligible to get Covid-19 vaccine in the upcoming phase 2 of the immunisation drive can register, advertisement A medic gives Covid-19 shot to a beneficiary | File photo from PTI The self-registration on CoWIN, the government portal for Covid-19 vaccination drive, will begin on March 1, Ram Sewak Sharma, the chief executive officer of the National Health Authority and chairman of the Empowered Panel on Covid vaccinations said on Friday.