The promise of change swept over West Bengal, a state in the eastern part of India with its capital in Kolkata, in 2011 when Mamata Banerjee of Trinamool Congress pulled off a victory over the Left in the state elections. Now, with Pranab Mukherjee taking on the mantle of the President of India, focus is back on the state from which he hails from and has served as an elected member of parliament for many decades.