As you want to get the details of process to become Air-Hostess after completing 12th so here is the information of the same for you:

Courses in Air Hostess after 12th:
B.Sc ( Airhostess training)
Diploma in Air Hostess Training
Diploma in Aviation and Hospitality Management
Diploma in Aviation Hospitality and Travel Management
Diploma in Global Aviation and Hospitality Management
Certificate Course in Aviation Management
Certificate Course in Air Hostess/Flight Purser
Certificate Course in Aviation and Hospitality Services
Certificate Course in Night Rating
Certificate Course in Aviation Hospitality & Travel Management
Certificate Course in Hospitality Travel and Customer Service
Certificate Course in International Airlines and Travel Management

Eligibility for Air Hostess Courses:
Candidates must have passed class 12th for the Diploma course.

Age:
Candidates must not have age more than 25 years

Height:
Mini. 154.5-157.5 cm (barefeet)[Air Hostes], 170-180 cms[Flight Steward]

Weight:
Proportionate to height (Depends upon company)

Status;
Unmarried

Vision:
6/24 in each eye (Normal eye sight)

Language:
National language+ least one international language