Kamara Techno — They are blackmailing and asking to pay money

Dear sir,
I got call from kamara techno company For data entry job and afterwards that they asked me to sent Aadhaar card details and photo and then they shared me that they are giving me otp and username. But at that time I go for reviews of the same company and they I tell them I don’t won’t to do work. They are saying mam u sign the agreement but I didn’t sign any agreement now they are asking me to pay 6000.