Dear Jasneet Singh,

well you should start studying from good books

and start solving higher classes mathematics book

further support of good teachers is mandatory

hard work and perseverance

un-giving attitude would be an ideal ingredient.

Take good coaching like fiitjee resonance etc.

and keep good company with people who are intelliegnt 

smart and hardworking.

I would recommend FIITJEE, it also prepare for Olympiads.......

I would also suggest you to study NCERTs thoroughly.......

      Best Of Luck......

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