Compare GNIHM Kolkata Diploma in Hotel Operation and ISHM Kolkata Diploma in Aviation, Hotel and Hospitality Management course on the basis of their Fees, Placements, Cut Off, Reviews, Seats, Courses and other details. GNIHM Kolkata Diploma in Hotel Operation course is rated 3.3 out of 5 by 2 genuine verified students while ISHM Kolkata same course is rated 1.6 out of 5 by 1 students at Shiksha. Explore Shiksha for detailed comparison on all course parameters and Download free information on UG Diploma Admission details, Placement report, Eligibility criteria etc.