Amazon India — Refund issued but not received yet

Website:

www.amazon.in

Sir/mam, I had placed a order for 3 pieces of curtains on 1st of November and I don't know how, but Amazon itself cancelled my order on 2nd of November and a refund is initiated for the same.. but today is 1st of December and I still don't get my refund my order no :[protected], I had called Amazon customer support several times but apart from solving my issue, they gave me baseless excuses, please help me I am too much tired of this.. Amazon don't even give me.. reference id yet..