Reliance Digital — Invoice required

Dear reliance digital i have an account at reliance digital app my register mobile number is [protected]...i brought a hp ink tank 319 printer from your app 23 sep 2022.But now printer showing some issue when i claim warranty from hp..thay claim invoice ..but invoice copy not present at reliance digital app..i contact many time at your customer care representative...from 2-3 week..but thay continuous said wait 72 hours ..we register a complain..but nothing is happened after2-3 weeks...so what can i do for this invoice, , , i require this invoice copy for claim my warranty from hp...