German global banking and financial services entity Deutsche Bank today said the mere PSU bank gaining market share with the right basics in retail loans is the largest lender of India - the State Bank of India ( SBI share price is up by 0.97% on NSE). The brokerage firm said that the SBI is the mere bank becoming more efficient with correct investments in digital. It has raised target price on SBI by 13 per cent to Rs.270 per share with a buy rating. SBI's business strategy focusing