Hello Azaan,

With a score of 400, (assuming you belong to the general category), you can only get private and deemed medical colleges

Here is a list of private and deemed medical colleges with their previous year cut off-

Heritage Institute of Medical Sciences- 397

Mayo Institute of Medical Sciences- 373

Rajshree Medical College- 337

Noida International Medical College- 350

MGM Medical College, Aurangabad- 369

Sri Siddharth Medical College, Tumkur- 337

You can also use our college predictor tool to know your chances of admission in a college/course- https://medicine.careers360.com/neet-college-predictor

Hope it helps!