The country's largest lender State Bank of India today fixed its base rate at 7.5 per cent, the new lending benchmark rate. The Bank will not provide any credit, including housing, auto or corporate loans below this rate. However, it will not apply to concessional loans for agriculture, exports and other specified sectors. Bank chairman O P Bhatt said in Mumbai that the new rate has been fixed based on the deliberations at the Asset Liability Management Committee of the bank.