I need an urgent help

I have app**** for my late mom death claim benefit.. It's been four months since I app**** and the is no payout until this day I have called the gepf for countless times.. I was told that they are escalating the matter I don't know how many times but still its a same thing.. I received a message that the was an outstanding information which was my banking details but it amazed me because I have submitted all the documents including my banking details.. What surprises me is that all the documents do appear in their system.. I personally went back to the gepf offices to find out what was this outstanding information about I was told that the quiry it was about my bank statement.. the lady who assisted me that day was also suprised that the bank statement is attached with all the documents and its showing in their system... please help this is frustrating