Hii Farheen!
Please mention the name of the College.you are interested to pursue DGO in. On an average the fees for this course if from INR 10,000 to INR 5 lakhs.
In Mumbai, there's this College named Veermata jijabai technological institute whose average fee structure is INR 37,251 for DGO course.
The fees changes for different Colleges and also is based on whether it is private college or a government College.
Hope this helps.
Good luck!