Manish, there are very fewer colleges which run a course of Aviation management in India and you are furthermore selective for your location to Kolkatta. Still, I am mentioning a few colleges name below which runs this course. You need to check out one most important thing that most of the colleges offer UG Degree/UG Diploma/Certificate, not PG Degree.

• UPES - Centre for Continuing Education: PG Degree
• EduKart.com: PG Degree
• Basic Aviation Course: UG Degree
• Frankfinn Diploma in Aviation, Hospitality and Travel Management: UG Degree
• Indian School of Business Management and Administration, Kolkata: UG Diploma
• Jet Airways Training Academy: UG Degree
• Gandhi Institute of Management and Technology (GIMT, Kolkata): UG Degree
• Aptech Aviation and Hospitality Academy, Kolkata: UG Degree
• Indian Institute of Aeronautical Science: UG Degree
• Contemporary Training Academy: UG Diploma
• TMI Academy of Travel, Tourism and Aviation Studies, Kolkata: Certificate
• Biztech Management School: UG Degree

Make a wise decision!!