You can claim Input Tax Credit (ITC) on bank charges, provided you meet all conditions under Section 16(2) of the CGST Act. Crucially, ITC must reflect in your GSTR-2B to be claimable, not just GSTR-2A. Ensure you have the correct invoice and file your GSTR-3B after the 13th of the following month for auto-population from GSTR-2B.
To claim ITC, you have to fulfill all conditions in section 16(2) of the CGST act, one of the condition is ITC must reflect in GSTR2B . So after reflection in GSTR2B you Can claim. Do not claim as per GSTR 2A .