State Bank of India (SBI),the lead lender to Kingfisher Airlines will not consider any fresh loans for the debt-laden carrier until it raises new equity itself,a senior executive of the bank said. SBI is studying a viability report prepared by its investment banking arm,SBI Capital Markets,and any decision on lending to Kingfisher will be based on that as well as conditional on an infusion of funds into the airline,Deputy Managing Director R Venkatachalam said in an interview.