Hello Aspirant, Its very Different to get Computer Science Engineering in Government College whether of National level or state level with a percentile of 88.If you got 88 percentile in JEE Main then your rank after JEE Main April will be around 1.3 lakhs, with this rank you can get some private college which are

SRM Institute of Science and Technology, Chennai

Lovely professional University, Phagwara

Dr Vishwanath Karad MIT World peace University, Pune

Amity School of Engineering, Coimbatore

Heritage Institute of technology, Kolkata

Chandigarh University, Chandigarh

Manipal University, Jaipur

Nirma University, Ahmedabad