In telegram app they mesge me and told me about the income .. I believed and I suffered😭

In telegram app they mesge me and told me about the income .. how much I spend they can give me doubled .. I believed and I pay 15k first they told me that.. that 15k was not added to our UPI send me another 15k we will return to u all the profit amount with added 15k ... I believed and I next pay 15k ... I lost 30k @ bitcoin trading 007