Fairfax Financial Holdings' Rs 52,878-crore acquisition of IDBI Bank, clinched with an offer that beat the government's independent valuation benchmark, is set to pave the way for the Canadian investor to transform the lender into a diversified financial services powerhouse spanning banking, insurance, investment banking and wealth management, sources said.Fairfax, led by billionaire investor Prem Watsa, offered Rs 81 per share of a 60.72 per cent controlling stake against the government's benchmark valuat ...