Amazon India — Refund not credited in my account till 15 days over

Address:

Gautam Buddh Nagar, Uttar Pradesh, 201301

I cancel a laptop from amazon (Order number:[protected], for which they initiated refund and provide me refund reference number ant told me to contact to bank (Axis bank).

I contact to bank and raised a complaint, but there is nothing going from bank side,

I don't know what should i do

Till 15 days over and money did not credited in my account, please help