Justjaldi — Order cancellation and advance Refund

I ordered Redmi 12 5g mobile phone on 27/08/2023 through JustJaldi online platform choose cash on delivery to get it company told pay 10% advance payment required so I pay the amount through net banking order no & amount received confirmation send to my mail id after that no further updates from company side.I suspicious contact customer support and they told me the order will take 7-14 days no longer wish I decided to cancel the order ask customer service what to do they told send order cancellation request mail to their company mail id and you get the advance payment get back with in 24hrs mail send but company not respond till now nobody attend the calls pls do needful pls help me to get refund the advance amount 🙏