West Bengal Chief Minister Mamata Banerjee, in Goa to officially kick start the Trinamool Congress' campaign in the poll-bound state, arrived at a local fish market on Friday to roars of Khela Hobe - the party's poll cry for the Bengal elections and chants of "Didi, Didi". She bought two kilograms of kingfish for ₹ 1,000 at the market.