Exam fees GST - Nilesh

Nilesh Dungar (4 Points)

18 November 2017  
I am giving Linux certification exams, the institute is taking 18 percent GST. is it valid?? the receipt given does not mention tax explicitly, just totally amount 17700 which as per them 15000 for exam fees and 2700 as 18 percent GST. are they supposed to take it??