Hey Vivek,

Hope you are doing well!

Well dear your NEET score is 420 that means your rank should be somewhere in between 50,000-75,000.Also,you said you come under OBC category that means your category rank will be lesser than this.

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\

Hope This was helpful!

All the best!

Keep Smiling :)