GST Refund - Reclaim of ITC of disallowed refund - Goods and Services Tax - GST

Dear Experts, We have filed the application for GST Refund [ Say Rs.10,00,000/-] of Unutilised ITC for supplies to SEZ without payment of GST. 90% of the refund amount [ Rs.9,00,000] was processed and disbursed immediately, but before releasing the balance 10% the refund, the Officer has found some discrepancy and finally approved the refund for Rs.7,50,000/- only and demanded the excess refund of Rs.1,50,000/- [ Rs.9,00,000 less Rs.7,50,000/-] with interest, which we have paid through DRC-03 . Now to reclaim the credit while submitting the undertaking for PMT-03 , the system shows only balance 10% value of Rs.1,00,000/- in the portal as available for re-credit . Now how to claim the re-credit of rejected refund amount of Rs. 2,50,000/- Plesae advise. Thanks.