[Resolved]  Ebay.in — refund approved but not credited in account

I have purchased lenevo zuk z1 but after ordering and making payment through debit card.
I got information that the phone is repaired one not orignal on same day on which i ordered i cancelled my order. After which applied for refund and called many times on toll free no. And ebay staff approved refund and told me that it will be credited in bank account within 6-7 working days but it is now around more than 30 days refund is not credited.
Between these 30 days i have negotiated many times with ebay staff on toll free no. And officer in bombay and they always aksed to contact bank and contacted bank twice thrice times but they told us no sum is credited in account
They are frauds
We middle class people are suffering from such a big co.
So please i request you to help us