Compare Government Polytechnic College, Nattakam Diploma in Mechanical Engineering and Gregorian Institute of Technology Diploma in Mechanical Engineering course on the basis of their Fees, Placements, Cut Off, Reviews, Seats, Courses and other details. Government Polytechnic College, Nattakam Diploma in Mechanical Engineering course is rated 3.6 out of 5 by 1 genuine verified students while Gregorian Institute of Technology same course is rated 4.4 out of 5 by 3 students at Shiksha. Explore Shiksha for detailed comparison on all course parameters and Download free information on After 10th Diploma Admission details, Placement report, Eligibility criteria etc.