Purchase return in gst

Radhakrishnan (Accounts Officer) (122 Points)

24 March 2021  
sir,
we are one of cotton yarn manufacturing unit. some times we could return the purchased raw material cotton to the supplier due quality complaints. as per gst procedure how to return the material to supplier and gst filing. 2 conditions
1. already we taken ITC
2. not accounted but how to return ( transportation procedure under gst)
with regards,
s.radha