Mamata Banerjee is scheduled to take oath as the third-time chief minister of West Bengal on May 5. Her spectacular victory has catapulted her on top of the line-up of Opposition leaders, waiting to take down the BJP. They now believe that the formidable election machinery of the BJP, led by Prime Minister Narendra Modi and home minister Amit Shah, can be defeated in 2024 Lok Sabha elections. But can Mamata be the glue that can join the disparate parties including the Congress?