Textron It Services — about form filling job

Hello sir/madam i'm a student and i thought to help my parents.. And searching for job suddenly one call from that textron it services.. They said that to filling 1200 forms in 10days.. I accept the rules and regulations and they send to me a agreement with otp.. And i don't have to time to filling the forms.. Coz sake my clg timings.. So i wanted to stop the work.. They demanded to pay 3400 to the company if i can't the will send to a legal notices like.. They are blockmail me to pay.. I don't have that much of also to pay.. I'm middle class family.. Plz help me sir / madam