Anumula Revanth Reddy, chief of Telangana Congress who played a key role in the party's thumping victory in the November 30 Assembly polls, was today sworn in as the state's second Chief Minister. Mr Reddy was administered the oath of office by Telangana Governor Tamilisai Soundararajan at a ceremony at Lal Bahadur Shastri Stadium in Hyderabad before a crowd of nearly 1 lakh.