Hello  Sandy 1,

Books suggested by JEE Main Toppers are -

For Physics -

Mechanics Part 1 - DC Pandey

Mechanics Part 2 - DC Pandey

Electricity and Magnetism - DC Pandey

Optics and Modern Physics - DC Pandey

Waves and Thermodynamics - DC Pandey

Vol 1 - HC Verma 

Vol 2 - HC Verma

For Chemistry -

Inorganic Chemistry - P. Bahadur

Physical Chemistry - O.P Tandon

Organic Chemistry - O.P Tandon

For Mathematics -

Differential Calculus - Arihant

Vectors and 3d Geometry - Arihant

Algebra - Arihant

Integral Calculus - Arihant

Co - Ordinate Geometry - Arihant

Thanku.