Well , there are a lot of private colleges offering many courses in computer science , there are specialisation course as well . there are these colleges : 

1. Amity college 

2. UPES dehradun ( it is expensive though ) 

3. Parul university 

4. SDM university 

you may look to colleges around your place And choose the best specialisation course for improving placement later . 

Sir,  There are some colleges for btech where there is high fee structure but they also need good score. 

I can list following few colleges as follows :

• Birla Institute of Technology and Science (BITS), Pilani.
• Birla Institute of Technology – Mesra (BIT – Mesra), Ranchi.
• Thapar Institute of Engineering and Technology, Patiala.
• PSG College of Technology, Coimbatore.
• Manipal Institute of Technology (MIT), Manipa

Yes,  i know money is needed for admission. But remember the money doesnot matter always because it your talent that works everywhere .