Dissertations / Ph D topic in Pharma Marketing - Rural India; (customer related) [4]

Dissertation topic "Marketing Banking Services to Rural India". Need Suggestions

Hello,
I am planning to apply for PHD and the topic i m thinking for Research is "Marketing Banking Services to Rural India". I want to highlight the problems which most of the times we fail to recognize. Please suggest some points which i can explore in this area.

Also suggest some toher topics as well where in i can think of researching. My interest areas are Rural Marketing, Consumer Buying behavior

Looking forward for some good response...