How to answer education background related queries in Banking interviews?

Hello Sir,

I m Lalit Verma from Bikaner,Rajasthan..I did my engineering in electronics in 2009 and now i m doing preparation for Banking Exams.

My query is that What should i give answer of These questions in interview if they ask..

(1) Why do u want join bank.?
(2) Why did u chose banking while u did engineering.?

Plz sir tell me me suitable answer so it can impress the panel/interviewer..

Thnx