Hello Anirban, 

If you are referring to NEET exam, then your chances of securing admission in medical colleges depends on a lot of factors like your marks, your category, as well as the number of students appearing for the exam and the number of seats available in colleges, and also the state you’re a domicile of. I am attaching a link for neet college predictor that will help you gain an understanding of the options you have 

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