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First you should complete your Bachelor's degree and then apply for Masters.

It's a fast-paced (1-year in duration) course designed for working professionals. ISB is one of the best B-Schools offering this course.

Please have a look at the previous year's cut-off. It will give you a better idea about your chances of getting it.

Yes, the above-mentioned college is really good in terms of MBA and placement wise too, you can go for it.
Best of luck.

In your free time get to know about history, current affairs, daily from proper concentration read a newspaper and join a coaching institute. Students should give around 3-4 hours daily for the preparation apart from college studies.

Civil Services Preparation must start when you are in graduation or even in the senior secondary. You have thought of it at the right time. Regarding PCS as well the same preparation is beneficial.
1. Excellent General Awareness
2. Composition / Writing Skills
3. Vocabulary English and Reading
4. See the Syllabus and Chose your Possible Electives and Subjects. Start talking guidance from. Those who have been into preparation sincerely or talk to some newly selected UPSC or PCS person.

Hi Jyoti, Here's the information you're looking for: https://www.shiksha.com/mba/ranking/top-mba-colleges-in-Delhi/ncr/2-2-0-10223-0
I hope, this might help you.

If you have recently started doing Diploma, then you can opt for doing graduation through distance mode along with Diploma. You will complete both at around same time. Choose a less demanding course like BA to lower your burden.