Bollywood icon Amitabh Bachchan might step in to Mohanlal’s shoes for the Bollywood version of Blessy’s Pranayam. The critically-acclaimed Mollywood movie, which had acting legends Mohanlal, Anupam Kher and Jayaprada sharing screen space, is now being planned for the B’town with ace director Blessy gearing to helm it. The movie, which released last month, shows the different facets of…