The principal exposure of the banks regarding the loan is Bank of India Rs 754.77 crore, Bank of Baroda Rs 456.63 crore, Overseas Bank of India Rs 771.07 crore, Union Bank of India Rs 458.95 crore, Allahabad Bank Rs 330.68 crore, Bank of Maharashtra 49.82 crore and Oriental Bank of Commerce Rs 97.47 crore, the agency has said.