Compare Parul University Diploma in Petrochemical Engineering and Government Polytechnic, Gandhinagar Diploma in Chemical Engineering course on the basis of their Fees, Placements, Cut Off, Reviews, Seats, Courses and other details. Parul University Diploma in Petrochemical Engineering course is rated 3.4 out of 5 by 1 genuine verified students while Government Polytechnic, Gandhinagar same course is rated 4.4 out of 5 by 11 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.