Hello Hemant ,

I am here to help you with your query.

The text books which are best for gate preparation in chemical engineering are :

•HEAT TRANSFER by J.P.Homan

•FLUID MECHANICS by McCabe,Smith and Harriott.

•MASS TRANSFER by Robert Treybal.

•THERMODYNAMICS  by K.V.Narayan.

Khannna Publication is the best to refer .

Practice of previous years questions gives more confidence and experience to give gate 2020.

Good luck :)

Remember!

For more queries do comment below.

Hii Hemant

Below mentioned are some of the books according to the respective categories:

1)Engineering Mathematics-B.S Grewal

2)Chemical Engineering-Ram Prasad

3)Basic Principles and Calculations in Chemical Engineering-David.M.Himmelblau

They are just a few books for further more details about more books of different categories,please do refer the link given below:

https://engineering.careers360.com/articles/how-prepare-for-gate-chemical-engineering

Thank You 

• General Aptitude: Quantitative Aptitude & Reasoning – G.K Publications.
• Objective English for Competitive Examination 5th Ed – Hari Mohan Prasad.
• Solved papers on verbal and numerical ability – Made Easy Team.
• Coulson &Richarddson’s for chemical engineering
• Alexandre C. Dimian, CostinSorinBildea for chemical process design
• J. M. Smith and H. C. Van Ness for thermodynamics
•  These are some of the good books you can refer to.