NSDL not allowing to alter amount of TDS filed under for 27Q under PANNOTAVBL filed in orginal retur

Please help me in suggesting some solution how to alter the amount of TDS filed under 27Q as PANNOTAVBL mentioned in orginal return!

System is not allowing to alter the amount in case of PANNOTAVBL cases. The company has paid TDS on foreign SAAS software subscripttion which was exempted by supre court of india. How to revise or alter TDS amount paid in excess for saas subscripttion. please Help