We have filed wrongly detail in July & August'2017 GSTR-3B, We have not any outward supply in July and August'2017 month, Only RCM amount filed. So how can it revised or edit?
09 February 2018
Option for revising or editing is still not available in case the 3B is filed. It can be corrected if this options comes or else you can correct the same at the time of filling GSTR 3.