Short term

There are many different departments of professions involved in the field of aviation from travel and tourism to hospitality and aviation. The aviation industry deals with professions such as the air hostess, ground staff, cabin crew, etc. Aviation industry typically is divided into airlines for passengers (life) and cargo (non-life). Ground functions include Airport Operations, Reservations and ticketing and even sales and marketing. You will have opportunities with numerous travel agencies and direct airlines for reservation and ticketing opportunities. You also have the option to work with airlines for airport operations (ground handling), travel counsellor/ consultants, direct sales, and quality agent. With many private airlines operating in the country and the volume of air traffic growing, opportunities are in abundance in this field. There are different Diploma, certificate and degree courses for the same. To name a few:
IATA (http://www.iata.org/index.htm)
IITC (India's leading Airlines and Travel Training Institute offers Diploma courses in Airline/ Hospitality/ Travel and Tourism http://www.iitcworld.com/)
UFTAA (http://www.uftaa.org/)
Garware Institute of Career Education and Development (http://www.mu.ac.in/garware/certificate_courses.html) that offers certificate courses in airlines and travel industry management. You could check the individual website for details, of course. Aviation being a broad field, there are many courses and training programs on offer for you. The International Air Transport Association (IATA) is a complete travel and tourism training programme designed for those who wish to start a career in the travel and tourism industry or upgrade their professional competence. The qualifications offered are recognized under the terms of the IATA resolutions applicable to IATA's accreditation of travel agents. IATA serves the international aviation and travel and tourism industries by providing training in the fields of travel and tourism, airlines, airports, cargo and civil aviation