sir,

i have got admission in goverment eng. college ajmer (electrical branch) and also got BIT JAIPUR(electrical branch).

so which one will be best for me....?

@ rajat 
BIT , jaipur for sure , beacuse u will get a very good placement their , i have example of some people who are right now in bit jaipur studying . 
and it have also a very good campous also compared to ajmer govt college , 
so better go to BIT JAIPUR IF BRANCH ARE SAME EVERYWHERE . 

ALL THE BEST ..