Hello Aspirant,

Your question is not complete as it appears. If you are asking about the books to crack engineering entrance examinations then below mentioned are some of the best books available in market to crack the exams -

1. FOR PHYSICS - HC Verma, Halliday Resnick, Irodov, Arihant Objective Physics

2. FOR MATHS - RD Sharma, ML Khanna, Arihant Mathematics

3. FOR CHEMISTRY - NCERT, Solomons (Organic), O.P. Tandon (Inorganic), RC Mukherjee ( Numericals).

All the best !