Answer for "I want to know about mba or air lines "

Hi, a good option is to combine both and consider doing an M.B.A. in ‘Airline and Airport Management’. This course is offered by many leading Indian institutes. Completing this program will pave the way for numerous corporate airline jobs like operations manager, customer relations officer, service manager, air traffic controller, airline marketing supervisor etc.
Otherwise, you can always opt for a M.B.A. course in general fields like finance, marketing, HR etc. Such a degree from a reputable institute will be equally beneficial provided your course performance and academic scores are good.     
For all M.B.A. courses, one needs to be a graduate with a score of 50 % (45 % for SC/ST).  Note that you will have to pass demanding admission exams and interviews depending on the institute chosen.