Former All India Trinamool Congress (TMC) president of Tripura who at present is a BJP MLA in the Biplab Kumar Deb led government here alleged that despite the people of the state giving opportunities, Mamata Banerjee’s TMC had twice failed in Tripura earlier as the leadership from West Bengal were not keen to the cause of the people and only interested in securing six percent vote share in order to save its tag as an all India party.