Dear Aakash
Mathematics:- RD Sharma and Arihant Books, NCERT
Physics H. C. Verma, NCERT. D C PANDEY
Chemistry
NCERT AND

P. Bahadur - Physical Chemistry 
Arihant Publications - Organic Chemistry 
O.P. Agarwal - IIT Chemistry - for Inorganic Chemistry 

All the best.                                                           
AKASH GOYAL
AskiitiansExpert-IITD
 
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Physics:
•    NCERT Physics
•    HC Verma 
•    Arihant by DC Pandey
Chemistry:
•    NCERT 
•    Physical - P Bahadur 
•    Organic -Arihant 
•    Inorganic - P.Bahadur/OP Tandon
Mathematics:
•    ML Khanna or RD Sharma
•    Arihant Series in Maths
if time permits TMH Mathematics

See, you can find the full solution to HC Verma and to tell you frankly and openly, only those students succeed at IIT who:

1. have got their concepts cleared
2. do a lot of self-studying

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