India, July 19 -- The rebellion tearing through the Trinamool Congress has morphed from a leadership squabble into a full-blown financial reckoning, with former comrades now accusing Mamata Banerjee and her nephew Abhishek Banerjee of turning the party into a vehicle for systematic slush money generation and private enrichment. They allege a web of offshore loans, luxury aircraft, legal expense kickbacks and policy linked payoffs in liquor and lottery that, taken together, amount to what Ritabrata Banerjee, Leader of the Opposition and fulcrum of the anti-Kalighat offensive, calls "an entire business model built around the party." What began as murmurs over centralisation of power at Kalighat, Mamata's home turf, has sharpened into detail...