Vasanth & Co — Refund amount from Shopse through ICICI bank credit card through your company(Vasanth & co)

I bought a A/c (Samsung) on 27/11/2022 from your Vasanth & co company through Shopse (ICICI Credit Card) through your agent and been downloaded the Shopse.
She had showed me the Cash back offer of interest paid I haver attached the copy of it.
after writing so many letter's through mail to ICICI Credit card division they replied saying shopse has declined the refund amount.
Then I called Shopse number as they said you bought a Samsung A/c not the Blue star A/c so we declined the same.
But all these things they didn't tell me (Blue star a/c instead of Samsung a/c) and she has told the refund amount of Rs.1289.46/-.
Please refund the amount immediately as mentioned by you people(customer service).