GST, Custom, FTP Elixir Book For CA, CMA, CS Final By CA Brindavan Giri. This book is beneficial for May 25 and Onward attempts.

CA Brindavan Giri is a qualified Chartered Accountant, Company Secretary and also an alumnus from St. Xavier's college Kolkata. 

He has experience teaching IPCC Tax and Final Indirect Tax to thousands of students. His style of teaching is more discussion-based and his classes are directed towards equipping students to handle the future litigations in tax.

His classroom discussion drawn everyday-life examples with each provision of the Tax Law, the technique of approach the subject matter, in-depth knowledge of the subject, guidelines for preparation at the examination, scientific & simplistic presentation of such a difficult subject is immensely popular among students fraternity.