Hindi

M. Laxmikant (Indian politics) is the best book for the same.

Generally medium of instructions of aerospace engineering is English in majority of engineering colleges in India. You may find some initial difficulties in pursuing engineering in English but you can overcome these difficulties. I was from a Hindi medium educational background but could easily do BE, M.Tech and MBA in English with bit of an extra effort.

Dear ,
For the opening you need to check with the respective HR deptartment but for every process BPO require good command over English . Suggestion from my side improve your communication first and than apply for good profile in BPO KPO or MNC
You can check British council for English communication programme through that you improve and feel confidence too.
https://www.britishcouncil.in/
All the best

BCA is a technical course, so it is better if you are doing BCA in English because in BCA you need skills in English.

Yes, you can apply for IIM - C. But, you will have to clear an entrance test followed by the personal interview.

Truthfully, communication and English is important to get through. But, I would say, do give it a try.

All professional courses are offered in English only, because of the ease of educational and employment opportunities within countries.