Best book for cs professional advance tax laws

Hello,

Sorry for late reply! 

FOR CS PROFESSIONAL (OLD SYLLABUS)

Direct Tax & International Taxation:  CA CS CWA SANJAY MUNDHRA's BOOK

(https://www.makemydelivery.com/book-corporate-direct-tax-for-cs-final-by-sanjay-mundhra-suman-mundhra-new-syllabus.H T M L)

Indirect Taxation:  FCS RAJESH TAYAL's Book 

(https://www.snowwhiteindia.com/book_detail.php?book_id=91015&product_name=indirect-taxes-rajesh-tayal)

Hope it will help you..