Amazon India — Refund stuck bob

Address:

Kherli sayad Mia alwar

My name is ashok kumar meena. BOB saving account transaction debit date 07 October 2019, payment method Rupay debit card ending in 4132 i had Ordered a product of Rs. 39999 form Amazon and i returned the product. And on 28 May 2020 Amazon initiated the refund to my account. But i still didn't get the money in my account. Amazon send this reference number
(1CW7MJL60000K19YXRDS)
And they told to me to contact bank so kindly responded to tha complain, it's very urgent.
My Account number - [protected]
Address -Kherli saiyad mia
alwar
Branch name - Goondpur
Contact no [protected]