Hi Subha,
                 It's totally depends upto on your interest. Look the most popular specialization for MBA is Finance, Marketing, HR, Consulting, Information Technology. First you know this what is good for you according to your interest.

If you are good in playing with numbers & calculation, then you can gor for finance.

Marketing is versatile & now a days it's upgoing ,mostly digital marketing. You know brand promotions etc, it means how to sell your products. If you have interest in it, then go for Marketing.

HR is to manage your public relations. Basically a manager work.

As you are from computer background, IT MBA will be a good option for you.

So first find your interest, research on it, then go. & the most important, if you will do MBA, then must do from TOP 30 colleges in India. Otherwise it will not be worth it.