As can be seen from Table 1, the correlation test is satisfied since there is a positive and significant inter-correlation between inputs and outputs at 1% level of significance. Hence, the collection of the inputs and outputs is reasonable. The sample of this study consists of Public sector banks in India. The technical efficiency performance of Public sector banks has been analyzed over a span 22 years from 1990-91 to 2011-12. The growth pattern too has been studied over this time period taking previous year as the base year. The entire period has been divided into two parts as 1990-91 till 2000-01 and 2001-02 till 2011-12. The first time period represents reformatory era while the second time period represents the post reformatory era. During 1990-91 till 2000-01, many reforms were introduced in Indian Banking Sector, starting with esteemed recommendation of Narasimham Committee with its first report in 1991 and second report in 1998. Similarly, Basel norms came up with its 3 pillared structure in 1992. The reforms with respect to electronic banking modernized the traditional banking followed in India with its faster payment and settlement system, clearing mechanism, fund transfer, online bill payments, telephone banking. Anti-money Laundering (AML) and Know Your Customer (KYC) norms filtered the unethical and illegal issues from the banking business. However, the period from 2001-02 to 2011-12 focused on the implementation of these reforms. The study is based on secondary data. The data has been collected from the banks’ annual reports and website of Reserve Bank of India (RBI). Reports on Trend and Progress in Banking from 1990-91 to 2011-12 have been also used.