Compare Rustomjee Academy for Global Careers, Dahisar Discontinued (June 2025) Higher National Diploma in Mechanical and Government Polytechnic, Mumbai Diploma in Mechanical Engineering course on the basis of their Fees, Placements, Cut Off, Reviews, Seats, Courses and other details. Government Polytechnic, Mumbai Diploma in Mechanical Engineering course is rated 4.2 out of 5 by 18 genuine verified students. Explore Shiksha for detailed comparison on all course parameters and Download free information on UG Diploma Admission details, Placement report, Eligibility criteria etc.