For the first time since becoming Prime Minister, Narendra Modi is visiting West Bengal over the weekend and the once-hostile Mamata Banerjee will meet him several times. The West Bengal chief minister insists it is all for Bengal's development. But the opposition suspects a quid pro quo between the BJP and the Trinamool Congress on issues like Trinamool support in Rajya Sabha to the CBI's probe in the Saradha scam.