Dear Saksham,
You can check the list of top private colleges in engineering which provides good placements below
VIT University, Vellore
Birla Institute of Technology and Science, Pilani
SRM University, Chennai
Manipal Institute of Technology, Manipal
RV College of Engineering, Bangalore
To know the complete list you can refer below link
https://engineering.careers360.com/colleges/list-of-engineering-colleges-in-India?f%5B0%5D=sm_college_course_level%3AUG&f%5B1%5D=sm_college_degree%3AB.E%20/Btech&f%5B2%5D=im_field_ownership%3A967
Good Luck!!
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