Cabin crew (air stewards or air hostesses)are the main point of contact for passengers while they are up in the air. They’re responsible for passenger safety & are trained to deal with security & emergency situations. They ensure that emergency equipments are in working order prior to take off & explain safety procedures to passengers. A very lucrative career option in India, there are many institutes that provide training to prepare students for this career.
Useful Information on Cabin Crew Training