Amazon India — Returned but refund not received after 4 month

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On 21st of 2022 I have ordered Titan smart watch, after receiving I found that the watch is not connecting with bluetooth, I asked for return and refund, someone collected the watch and from then I'm waiting for refund, but after few days I came to know that my account is blocked, but why no one clarified, I requested times to the customer care but they are tunable to give me any information till today, they used to say within 24 hours the problem will be solved. But not yet. I need my money back along with interest.