India top private engineering collage ?

No bits pilani  conducts it's own exam it has no relation with your jee mains marks. Admission in bits depends on your bitsat exam

You can consider the following Names

1 Amrita School of Engineering, Coimbatore

2.Birla Institute of Technology and Sciences.

3.Birla Institute of Technology Mesra

4.BMS College of Engineering Bangalore.

5.Manipal Institute of Technology Manipal.

6.Thapar Institute of Engineering and Technology Patiala

7.Vellore Institute of Technology, Vellore

Hi Rajat,

IIIT Hyderabad

VIT , Vellore,

PSG college of technology , coimbatore.

Birla institute of Technology and science ,pilani

Walchand college of engineering ,sangli.( For pilani jee main is compulsory cut off of minimum of 300).

BMS college of engineering , Bangalore

LNM institute of information and technology ,Jaipur

Manipal institute of technology ,Manipal

Hello Rajat,
First of all, BITS Pilani take admission through BITSAT, not through IIT Mains.
For top engineering college you have to clear JEE Mains and JEE Advanced as well.
Top engineering college in India are-
IIT Delhi
IIT Kanpur
IIT Mumbai
IIT Kharagpur
BITS Pilani
IIT Roorkee
IIT Madras
IIT Hyderabad