Career

Depends on your interest.
With interest you can work hard and succeed in life.
Every course has it's own importance
As you have selected computer Science with interest, obviously you can succeed in life.
All the best.

Simply u can work hard and don't think for your past and lavour for future honestly. Trust me u can achieve your goal.

If you want to study more you can appear for GATE to do M.Tech provided you are technically inclined. GATE will also helpful for job in PSUs . If you are management inclined you can appear for CAT, XAT and MAT examination to do MBA.

if you are interested in B.Tech CSE/ECE , then go for it without any further hesitation. find out a suitable college according to your convenience, and pursue the course. forget everything about your less marks and any other distressing things . remember, if you do well in engineering there are plenty of opportunities and a bright future. so, all the very best.