I've completed my B.sc. So, CIA is useful for me or not?

Yogesh, If you are looking at doing something different ; and at the same time where you can expect career growth, go for M.Sc. in Cosmetology. It has brilliant career options. You can become a Nutritionist, Researcher, Skin Care Specialist in Hospital, Marketing Manager or PRO. Again as Aru said,

Hi, The ideal options for you are- M.SC/MBA You should stick by your domain in order to have an added advantage in the competitive market. At the same time, it is very important that you opt for or look at doing something that you are good at and would enjoy keeping in mind your personality, aptit