I made a claim on my son's max investment

On the 18/09/15 I went to Evaton mall old mutual to make a claim,on my 2year old son's max investment,I filled the documents and I was told that I will get my money within 5-15 working days.on Monday 05/10/15 I went to do a follow up on my claim,they told me I need to bring my son's bank acount,I did that,on Friday 09/10/15 went to do another follow up,was told to make a sworn affidavit that the money I want is for my biological son,I did that.On Friday the 16/10/15 went to do a follow up again was told that I need to submit my bank account details again,on Friday the 23/10/15 I went again and they told me I need to bring my son's birth certificate,on Tuesday the 27 /10 I went again and they told me to that the claim form was not filled the first time so I needed to do that and re submit my bank account details,on Friday the 27/10 I went again and the manager sent an email to the head office manager about my problem.I was told that the head office manager will call me,I'm still waiting for that call and my money.Please help me don't know how to get my money from old mutual,The most frustrating thing is that no one calls me I always have to go there