Compare Government Polytechnic College, Jhajjar Diploma in Mechanical Engineering and Dev Polytechnic College,Barara Diploma in Electrical Engineering course on the basis of their Fees, Placements, Cut Off, Reviews, Seats, Courses and other details. Government Polytechnic College, Jhajjar Diploma in Mechanical Engineering course is rated 4.1 out of 5 by 3 genuine verified students. Explore Shiksha for detailed comparison on all course parameters and Download free information on After 10th Diploma Admission details, Placement report, Eligibility criteria etc.