Hello

Here are best  books for the subject you have mentioned in the question

For engineering chemistry: pc jain (Dhanpat rai publications)

For engineering drawing- ND. Bhatt

For engineering mathematics- higher engineering maths by B.S grewal. (Khanna publications)

Good Luck.

Dear Student,

There are several books for these subjects . But I listing some best books for individual subject.

Engineering Mathematics :

• A Textbook of Engineering Mathematics by NP Bali
• Higher Engineering Mathematics by BS Grewal
• Advanced Engineering Mathematics by Erwin Kreyszig

Engineering Graphics and Drawing :

• Engineering Drawing by N.D Bhat
• Engineering Graphics by B and CM Agarwal

Engineering Chemistry :

• Physical Chemistry by P.W Atkins
• Engineering Chemistry by B.L Tembe
• Organic Chemistry by R.T Morrison

Hope this helps.