If you've imported goods and paid IGST, which is reflected in your GSTR-2B, you can indeed use this IGST credit. This credit can be applied to offset your CGST and SGST tax liabilities when you sell those goods within Maharashtra.
21 April 2022
One person import of goods and paid Igst on import of goods, and igst amount reflected under GSTR-2b. Now he sold goods in local area in Maharashtra, so he can use igst credit ( import) against local cgst and sgst tax liability??