Hello Student ,

With 75% it would be difficult to get a college through JoSAA Counselling. However you do have some admission chances based on your JEE score in other state counselling where JEE Main score is acceptable like U.P and Uttarakhand.
Also you can try for some private colleges as well like UPES Dehradun, Chitkara University etc .These Universities also accept JEE Main score .

To get detailed information about your admission chances in State counselling use Careers360 College predictor tool. The link is given below -
JEE College Predictor