West Bengal Chief Minister Mamata Banerjee’s announcement to opt for a post-poll formulation between regional parties instead of contesting the Lok Sabha elections as part of the opposition INDIA bloc has put the Congress party in the spot of bother. Without Banerjee’s Trinamool Congress (TMC) on board, the INDIA bloc would appear weak compared to Narendra Modi’s Bharatiya Janata Party (BJP) from the very beginning of the electoral battle.