West Bengal chief minister Mamata Banerjee바카라™s arrival in Delhi for a five-day visit to meet leaders of different Opposition parties has, yet again, triggered frenzied speculation on the possible recipe for a federal front to take on the BJP in the 2024 Lok Sabha polls. Riding high on her stupendous victory in Bengal despite the BJP바카라™s visceral campaign, the Trinamool Congress chief wants to position herself as the fulcrum of Opposition unity; an altar that NCP supremo Sharad Pawar sought to covet exclusively until recently.