The 268-page frequently asked questions (FAQ) booklet, released by Finance Minister Arun Jaitley, answered over 500 questions on 24 topics, including registration, valuation and payment, scope and time of supply, refunds, seizure and arrest.
FAQ on GST : Answered by FM (September 2016) – UPDATED on 31.03.2017

please mail me FAQs on GST
You can download the FAQ from our download section or click this link : http://goo.gl/QOp5AX
Will GST is applicable to representation charges received from Overseas company in India?
And also if commission per sale is consider.
Please clarify.
Thanks