<P> State Bank of Mysore was established in the year 1913 as The Bank of Mysore Ltd. under the patronage of Maharaja Krishna Raja Wadiyar IV , at the instance of the banking committee headed by the great Engineer - Statesman , Bharat Ratna Sir M. Visvesvaraya . During 1953 , `` Mysore Bank '' was appointed as an agent of Reserve Bank of India to undertake Government business and treasury operations , and in March 1960 , it became a subsidiary of the State Bank of India under the State Bank of India ( subsidiary Banks ) Act 1959 . Now the bank is an Associate Bank under State Bank Group and the State Bank of India holds 92.33 % of shares . The Bank 's shares are listed in Bengaluru , Chennai , and Mumbai stock exchanges . </P>
in which year the nationalisation of subsidiary bank of the state bank of india was done
1959