I really fail to comprehend what exactly you mean as "(present)culture in banking sector". Can you elaborate on this "culture" issue "in banking sector" so that we can put our efforts which could be useful to you !
And what R U doing, dissertation for what degree/branch ?
With the ltd. input provided by you, I can suggest the attached notes for your help.
Banking system ppt
Report on Trend and Progress of Banking in - Reserve Bank of India
Report on Trend and Progress of Banking in India 2011-12, 7903 kb. Letter of
Transmittal, 66 kb. Contents, 48 kb. Perspectives on the Indian Banking Sector ...
Use them if they are ok and ask for more if required.