Billdesk — About fraud payment

Maine ek complain daali thi double payment ki Jo Maine tata sky connection ki booking ke liye kiya tha billdesk ko phone pe ke through pr udhar se koi reply na aane ke kaaran apne payments ko cancel karne ke liye aur refund ke liye help maagi thi pr usme to kuch help hui nahi ulta help ke naam pr billdesk se call aaya aur yeh kah kr ki aapka refund ho jayega bs Jo hum kahe Woh aap karte jao.. Aur Aisa bol kr unhone 42000 aur debit kara liye mere account se. What the hell is this? Please take action immediately otherwise I will complain against this fraud in cybercrime. I need help.