Hello Neha,

Usually when you take admission in a BDS/Dental college, you are made to sign a seat leaving bond which is basically a document that states that if you leave your course or seat in between the course, you will be entitled to pay a specific amount to the college. Certain colleges may take the fee of the whole course for leaving while some do not. In order to confirm the amount the student should consult the seat leaving bond certificate. To confirm if you have to pay the bond fees, you should contact your college authorities. 

I hope this helped. 

All the best!!