Banggood.com — not getting refund

My first experience purchasing with banggood is very disgusting.I have purchased bakeey GT 105 1.22 inch smart watch for that I have paid rs 1371.70 on 2 nd Jan 2020 but after longtime I have not got product so I contacted to customer care of banggood from there I have got replied that due to shortage of steel belt we couldn't provide you a watch at a time if you would change with silicon belt then we will send you watch immediately so I have changed my order from steel belt to silicon belt which is 72.39 RS lower then they have refunded me 72.39 RS in my account but in my order page they showed me product as refunded while they just refunded me only 72.39 RS so I further contacted to customercare and told them cancel order and refund other remaining money.they accepted my request but since last around 35 days I have not got my money back. 4 to 5 times I have contacted banggood but representive told me they have already deposited money in my account and also told me every time that we will send you reference no through mail but till now I have not got money back nor mail from banggood so please help me to get my remaining rs 1299.31 back.i have attached with this complain of two photo of payment of 1371.70 and refund of 72.39 RS.thank you