you should get good marks in your 1oth and 12th standard.
post which you will have to write entrance exams and get good rank and then you can get seat for computer engineering in good college.
there are lots and lots of types of engineers - what do you want to be ?
go thru this link which will tell you the different types of Engineers and then chose the path which you like and make a career
There is no need of specific college to become engineer. Choose the college as per your budget and pursue engineering.
The most important thing to become engineer or anything is faith and dedication and discipline.
So first make your decisions,believe on them and then make it reality with dedication and discipline.