- You can claim ITC of previous financial year i.e. 2019-20 till the due date of filing of GSTR-3B of sept. 2020 or filing of annual return whichever is earlier, irrespective of actual filing of GSTR-3B of sept.2020.
- If the GST returns of Jan.20 to March 20 is not filed yet then you can claim it.
- To discuss in detail about your query, it is advisable to consult telephonically.