mb loan scam they ask you money even if you paid

I don't even a app name , i just went to check loan app for emergency they send me 2100 rs for a loan of 3500 , i was confused later i deleted every loan apps they a guy msg me whatsapp & said pay the loan otherwise I will call everyone in your contact, I was scared then he send me upi IDs & all , i paid 3500 I feel suspicious about him & Deleted the app later another guy called me and asking money again