Ground Staff

Finance.
Banking.
Chartered Accountancy.
Company Secretary.
Insurance.
Foreign Trade.
Stock Broking & Investment Analyst.
Economics.

Please refer to the link provided below for further details regarding a Diploma in Aviation, Hospitality and Travel Management from Frankfinn Institute of Air Hostess Training. You can also check for admission particulars from the college brochure. For further details, check college official web site. Regards.
https://www.shiksha.com/aviation/course/frankfinn-diploma-in-aviation-hospitality-and-travel-management-frankfinn-institute-of-air-hostess-training-rajouri-garden-delhi-235194
(Website: - http://www.frankfinn.com)

Yes, you can apply for ground staff.

Certification in Airport Services is offered by Jet Airways Training Academy. After, you have completed this course you have a chance for employment in major airlines. This academy also has an active placement cell, via which you can get placed with different airlines visiting the academy to recruit its students. Regards.

There are no good colleges in Kolkata. You may go for Universal Aviation Academy or UA in Tamil Nadu.

You need to have Higher Secondary course or 12th Grade. The selection will be based on way of personal counseling and profiling.

Ground staff is 3 months course including ticketing, Cargo, customer care, ramp handling.

Aviation Management is a combination of ground handling, hospitality, airline management. The course duration is 6 months.