The Congress on Sunday said the party led 'grand alliance' in Telangana would emerge victorious in the December 7 Assembly polls by winning 80 seats and form the next government.

Addressing a press conference here, Rajiv Shukla, the party's national spokesperson, attacked caretaker Chief Minister K Chandrasekhar Rao over going back on his promise to make a Scheduled Caste leader Chief Minister after formation of a separate Telangana state.