Hey, I dont know what you are saying by 2lakhs seat,

But with 346 marks, although being in sc category, its highly difficult to get a government quota MBBS seat. Its nearly impossible. So try to get a state college or private college. Your marks are good for getting seats in there. That will be a great choice indeed.

So the below link can help you choosing the right college for you from the list of colleges around the nation.

https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer