Bengal: TMC Wins Big in Assembly Seats Reserved for SCs, STs In the 2019 Lok Sabha elections, BJP had won 46 of the stateâs 84 seats reserved for SC and STs. This time, BJP won 39, while TMC has won 45. TMC supporters celebrate at Bolpur in the Birbhum district of West Bengal on May 2, 2021. Photo: PTI Politics03/May/2021 Kolkata: Mamata Banerjeeâs Trinamool Congress (TMC) appears to have significantly eroded the Bharatiya Janata Party (BJP)âs popularity among Scheduled Caste (SC) and Scheduled Tribe (ST) groups, the assembly election results show. In the 2019 Lok Sabha elections, BJP had won 46 of the stateâs 84 seats reserved for SC and STs, while the TMC had 37 seats and Congress, one.