Dear friend ,

For getting admission in private engineering college-

Student should have 75% in pcm in 12 class.
Student should clear the entrance exam conducted by the college itself.

For getting admission in government college-

Student should give jee main and qualify it with a good marks .
Student should have 75% in pcm in 12.


Hope this may help you.

Good luck !!!

Please specify the name of the college you want admission in,as every college have its own eligibility criteria some take admission through the engineering entrance exams, some have their own entrance exams  while some give admission based upon your marks of your last qualifying exam.