Maths Spl

engineering and mathematics are synonyms so u have to study it. You can try architecture if you are not good in mathematics.

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you can go for CA after 12th or CS.

Refer to the link below:
http://maths.du.ac.in/MPhil.html

Dear Mohit,
With 90% score you can get admission in South campus colleges of University of delhi in B.com hons or B.com course or Eco hons if you wish to pursue that as well.apart from this you can go admission in any private college but that won't worth as much as DU will.
All the very best

First start from basics then learn formulas start doing example problems understand the concept do level 1 slowly.! Practise when ever possible practise makes a man perfect. All the best

I don't think you can, but you can check with different colleges.