Dear Hitesh Ji TOS in case of Goods before 13/10/2017:- If supplier got the Advance towards supply of goods The GST was applicable on Advance Reced, but As per the notification issued the applicability of GST is on supply of goods & Bill Raised , so the time of sypply is when the Tax Invoice is issued in cse goods
NO IN CASE OF SUPPLY OF SERIVCE, ANY AMOUNT RECED IN ADVANCE THE GST IS APPLICABLE ON ADVANCE. MEANS THE SUPPLIER OF SERVICE IS LIABLE TO CHARGE GST ON ADVANCE RECED.