TMC MP Satabdi Roy. (ANI photo) KOLKATA: Three time TMC MP Satabdi Roy, who has called a truce with the party after a brief rebellion that triggered speculations of her crossing over to the BJP, was on Sunday appointed vice-president of the West Bengal unit of the ruling Trinamool Congress. Expressing happiness over the news, Roy told reporters, she will work as a dedicated worker of the party and ensure defeat of the BJP in the coming assembly polls. "If you take up the matter concerning the party with the top leadership, it is addressed. This development proves that. "I welcome the decision", Roy said on her appointment as the state unit vice-president in the reshuffle.