It is rather difficult to get into any of these colleges for CSE with a rank of 2900 (outside Delhi). Your admission in MAIT or BVCOE entirely depends on how many students turn up on the day of spot counseling. Circumstances have to play a major role in your favor. If any student withdraws their admission from the same branch then you might end up getting CSE here.

Here are the recent cutoff trends at these institutes.

Although MAIT is too difficult for you to crack with this rank, you might be able to secure a seat in MSIT or BVCOE if you opt for CSE Evening.