Hello, first of all congratulations for your scores.

Getting into a good engineering college not only depends on your board exam grades but it also depends on the grades of entrance exams. Most engineering colleges will ask  your JEE and MH-CET scores. If you have scored well in your entrance exams as well then the chances are higher of getting into top engineering colleges.

Although I would say 65% comes under average category which means it is not too bad or not too good. Hence, you have good chances of getting a good engineering college based on the scores of your entrance exams.