Wipro — discrepancy in settlement amount

My wipro employ id was 389941. My last day in wipro was 30th march, 2020. The final settlement amount was changed a few days before last date. It was changed to approx 70 percent of all salary components before any deductions. I contacted the support portal before last day as well as support from alumni portal after last day. Every time there is no explanation from the support and the ticket is forwarded to different support teams and closed without reasoning. It seems very intentional. Need the full amount or a valid justification for the same.