Aircraft

In general Candidate Profile for Freshers for cabin crew is as under :
Age:Between 18 and 27 years
Minimum Height:Men - 170 cms and Women - 157 cms
Weight:In proportion to height
Educational Qualification:HSC (10 + 2). Candidates who are appearing for their HSC examinations can also apply
Physical features:Pleasing personality, clear complexion (scars, pimples and blemishes not acceptable) and good eyesight
Marital Status:Unmarried
Language skills:Fluency in English and Hindi. Proficiency in a foreign language will be an added advantage.
Interactive skills:Excellent communication and good interpersonal skills
Nationality:Indian citizens
Passport:Must possess a valid Indian passport or should have applied for a passport
Mandatory Documentation :Must possess a Pan Card and Aadhaar Card
So that becomes very clear that it merely requires some grooming to get the job of a cabin crew. They don't demand much from candidates.
You should be interpersonally sound and capable to handle people from different cultures.
Cabin crew is the face of the airline. Coz they face the passengers for the first time.
Foreign languages like German, French, Russian, Arabic, Chinese and Japanese, Can allow you to get an edge over others.
As this allows the airline to roster you on routes where such languages are spoken

Eligibility:
The candidates shall have passed minimum 10+2 Class with aggregate of 50% marks in Physics and Mathematics; or a three years Diploma in engineering; or a higher qualification in Science with Physics and Mathematics. The trainees shall be subjected to a medical examination before they are admitted to the training institute by a doctor having at least an MBBS Degree. This is done to check the medical fitness of students for the field of Aircraft Maintenance Engineering. Candidates shall not have any physical disabilities or colour blindness, which may interfere in discharging the duties as an AME. Admission Requirement:
Application Form
Original and attested copies of the XII, Higher Secondary Pass Certificate (for B.Sc-IT) / Bachelor's Degree Mark sheet (for PGD & M.Sc-IT)
Two recent passport-size color photos (Additional 10 photos to be kept ready)
Eligibility fees to be paid as per University norms. Before admission applicant has to pass entrance test (comprising 100 Questions from Maths, Physics, Chemistry & English).