Compare The Calcutta Technical School Diploma in Mechanical Engineering and Behala Government Polytechnic Diploma in Computer Science and Technology course on the basis of their Fees, Placements, Cut Off, Reviews, Seats, Courses and other details. The Calcutta Technical School Diploma in Mechanical Engineering course is rated 4.3 out of 5 by 20 genuine verified students while Behala Government Polytechnic same course is rated 4.2 out of 5 by 1 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.