It totally depends from which private college of engineering you have completed your course.

Top private colleges like VIT Vellore, SRM, Manipal and Amrita provides good placements, knowledge and exposure.

Getting a job also depends on your grades, skills and knowledge.There is always  a job available for a right candidate. 

There is a lot of competition to get top colleges in engineering you should plan your preparation accordingly but try to get into top colleges to get good placements.

All the Best!!