While there isn't a fixed cutoff percentage for SSC marks, a strong score like 86% increases your chances.

With this score in your SSC, you have a good chance of getting admission to Government Polytechnic Mumbai for a Diploma program, as it's a reputable institute and 86% is a very good score. 

Upon successfully completing the course, you will receive a course completion certificate. This certificate serves as proof that you have finished all the learning units or requirements of the course or learning event. It acknowledges your efforts and achievement in the course. The specifics of the