Complaints of momentum claims ***** deals

My grandfather took a life cover with momentum and nominated me Mabuza Lekwadi Andries as his beneficiary he passed on 15 June 2020 due to natural causes and I made a claim on 17 June 2020 even today they have not paid up the money they said they want his medical records for the past 5 years and he doesn’t have any because he was not a sick person for him to have records and the day he took the policy they took blood tests. I think something is fishy here I just want to follow up with the claim and resolve this matter to get a conclusion. Please help me expose momentum for their bad services to their clients when coming to claims.