Hey Chetan,

Hope you doing well!

Well dear you do have a very good chance of getting an MBBS college with a score of 400.But,cutoff's keep changing every year so we cannot gurentee you this.

Also,I am providing you with the link of the college predictor,that will help you in finding all the possible colleges under your NEET score:

https://medicine.careers360.com/neet-college-predictor?utm_source=google-search&utm_medium=paid&utm_campaign=neet-clgpd

Hope this was helpful!

All the best!

Keep Smiling :)