To predict your Category rank, we will need details like the no.of Candidates who appeared for JEE Mains under OBC Category. But to give you an approximate rank, it might be around 30,000-50,000. However this is just an approximate number. With an All India Rank of 125000, you might have a chance in the following colleges:

Acropolis Institute of Research

Vivekanand Education Society

Walchand Institute of Technology

Now this is based on 2019 data and cut offs change every year. Cut offs depend on various factors such as total no .of seats available, difficulty of the exam, previous year cut offs, no.of Candidates appearing for the exam and no.of Candidates applying for a course. Please use our College predictor for the complete list of Colleges that you may have a shot at: https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

CRL rank 125000 is equivalent to 40000 - 45000 OBC rank. This is just an estimation as per previous years' trend and not exact. You may get lower branches in NITs. OBC rank is not fixed and changes each year with change in number of candidates. To know more about your admission chances use JEE MAIN COLLEGE PREDICTOR tool.

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer