Dv Enterprises — fraud and asking money

Address: 440035

Sir maine 15 din phle dv enterprises ka agreement sign krne bole work krne k liye jab work complete nahi hua to unka mail aya mujhe ki paise jama kro 5550/- warna apke against legal action lenge koi advocate call krke bol rhe paisa jama krne k bad phir 12510/- rps aur mange aur uske bad phir 9999/- aur itna jama krne k bad b aur aj subha 10800/- mang rahe hai warna notice ghar bhejenge bol rahe pls help me...