Thank you guys for the help extended. I am grateful. I will ponder upon your thoughts and would revert after brainstorming for my comfort on the topics. I agree to johnbeetem that i must do some work and then will be able to come to some conclusion.
Again thanks guys for the help extended.
Regards
GP

Hii guys!! I am gaurav from India. I love this device and would really like to contribute to raspberry pi and for that i am looking for a PhD research topic, so that i can make a product around it, so if anyone has any idea from where i can start?