is commerce student eligible to become air hostess. what is the procedure

Yes person or candidate from any stream can become an air hostess, basic necessity is that you should be 12th passed. And you can apply during the application is open in air india, indigo, spice jet etc. You must look in their website, they update regularly. For different companies they have different procedures, you will have to attend group discussion, interview as per their requirement. In private firms you only have to attend an face to face interview and must be eligibile with their requirements of height, weight, BMI, hand length etc .