United Bank Of India [UBI] — refund is not credited

Address:	Kolkata, West Bengal, 700090
Website:	2gud.com

Hello. I, dipa sarkar, an account holder in ubi (Branch : baranagar, a/c no :[protected] did placed an ordered on 2gud.com.
The transaction details :
Date : 9 oct 2018
Time : near 12pm
Amount : ₹6999
Method : rupay card
Then after the return i got a refund (₹6, 999) from 2gud.com on 23 oct 2018
Which should be credited within 30 oct 2018 but its not.