HDFC Bank — vivo s1 - 10 % cashback not received even after 90 days completed

Address:

560067

Hi

I have purchased vivo s1 mobile phone at reliance digital, phoenix market city mall, hoodi, whitefield road, bangalore, which had the eligibility of 10% cashback to be received after 90 days, but not yet received after completion.

Purchase date # 24th november 2019
Payment referecen #[protected]
Tax invoice # [protected]

This is not at all expected from hdfc