Please help me understand. My questions regarding Fof

Fund Link https://bandhanmutual.com/mutual-funds/fund-of-funds/bandhan-us-equity-fof/regular Underlying Fund https://am.jpmorgan.com/lu/en/asset-management/per/products/jpm-us-growth-i-acc-usd-lu0248059726#/historical-price USD to INR Rate https://www.nseindia.com/report-detail/rbi-reference-rate-statistics On Monday, Dec 16, The INR made a low against the dollar. The underlying Fund went from 632.33 to 632.45 NAV But the NAV Of bandhan mutual fund went down. My questions are - Am I missing something? - Or can I log a complaint on SEBI? or Some place.