[1] Dr. Anil K. Sharma, Dipasha Sharma Dr. Mukesh K.Barua. “Efficiency and Productivity of Indian Banks: An Application of Data Envelopment Analysis and Tobit Regression. National Conference on Emerging challenges for sustainable Business 2012.
[2] Vinod R.R. Assessing the efficiency of old private sector banks in Kerala, IJRMBSS ISSN No.:2319-6998 I Vol. 1 I Issue 2 I July 2013.
[3] Angadi, V.B. (1983). Measurement of Efficiency in banking industry. Reserve Bank of India Occasional Papers, 4(1): 110-117.
[4] Chakrabarthi Rajesh., Chawla. Gaurav. (2005) “Bank Efficiency in India since the Reforms An Assessment “Money and Finance, ICRA Bulletin.
[5] Dwivedi Amit. Kumar, Charyulu Kumara (2011) “Efficiency of Indian Banking Industry in the Post - Reform Era” W P No. 2011- 03-01. Indian Institute of Management, Ahmedabad.
[6] Financial statements (online (URL.http://www .capitaline .com))
[7] State Bank of India, Wikipedia.