You havent mentioned your Category. Neverthless, the cut offs cannot be reduced by 25-30 marks and even if reduced a seat in Obstetrics and Gynaecology might be difficult. And cut offs change every year depending on various factors such as no.of Candidates appearing for the exam, no.of Candidates qualified, difficulty of the exam, and no.of seats available for each specialisation. Please try our College predictor to check the possibility of other specialisations with you rank across India:  https://medicine.careers360.com/neet-pg-all-india-college-predictor