Key Economic Lessons Learnt From the West Bengal, Kerala Electoral Results The environment created by the BJPâs campaign chariot couldnât pierce through the solid foundations of a state economy built around the principles of a robust social safety net for its most vulnerable. Mamata Banerjee and Pinarayi Vijayan. Photo: PTI Politics6 hours ago The electoral success of Mamata Banerjeeâs Trinamool Congress (TMC) in West Bengal and Pinarayi Vijayanâs Left Democratic Front (LDF) in Kerala mark a critical junction in the state of Indian politics today. Not only have both these grassroots leaders, belonging to regional parties, stopped the Bharatiya Janata Party (BJP) from coming to power in their respective states, they have also shown a way to offer some key economic policy lessons that are vital towards building a strong political opposition against the BJP â at a national level too.