New Delhi, May 17 -- State Bank of India (SBI), India's largest lender by assets, has written off over '1 trillion worth of loans in the two years ended 31 March as it purged its accounts of legacy bad loans. It wrote off '61,663 crore in the year ended 31 March and an additional '40,809 crore in the previous fiscal year, taking the aggregate to '1.02 trillion. This is close to double the '57,646 crore that the lender wrote off in the preceding three financial years. With a big chunk of bad loans written off in FY19, SBI's outstanding gross non-performing assets (NPAs) declined 23% year-on-year (y-o-y) to '1.72 trillion. Meanwhile, SBI's loan recoveries and loan upgrades (accounts which resumed paying interest) touched '31,512 crore in FY19...