NDTV's Uma Sudhir chats with Andhra Pradesh health secretary Anil Kumar Singhal on how the vaccination record was achieved By 9 pm on Sunday. Andhra Pradesh vaccinated 13,45,004 people in in a single day. This stupendous effort happened at 4,589 vaccination centres, with 28917 healthcare staff, 40,000 Asha workers and another 5,000 others. Andhra Pradesh has shown the way for other states to follow.