book for ca final idt may 2018

ICAI study material. I never used to refer it but this time they have really made student friendly study material with proper explanations and even charts have been used.

go for bangar book new edition is now available see inside content here : https://www.lionkart.com/p/comprehensive-guide-to-indirect-tax-laws-by-yogender-bangar--vandana-bangar/

in my opinon go with mahesh gaur it ismuch better than Bangar 

https://www.lionkart.com/p/ca-final-indirect-tax-laws-by-ca-uttam-p-agarwal-and-ca-mahesh-gour-book/

or with vineet sodhani both the books are complete in it self .

https://www.lionkart.com/p/indirect-tax-laws-set-of-2-modules-by-vineet-sodhani-deepshikha-sodhani-

Thanks

Best of luck .