[Resolved]  Techno Enterprise Captcha Work — unauthorized charges

I received a work from techno enterprise captcha filling work 10000 captcha to be filled in 10 days with 90% accuracy. After 10 days i received a call from company and they said i have to pay 5000 rupees as penalty to incomplete of my work. I was paid 5000 rupees on that evening. On next day evening again i got a call from that company and he said he is an advocate of that company and i have to pay 16980 rupees as cancellation free. But the amount was not mentioned in the agreement bond. If i am not pay money then he said i was file a case against you. I so afraid after hearing his words. And i was a paid a half amouut 8500 rupees as cancellation fee. They continuously call and harass me to pay the amount otherwise wise we file a case against you. Please help me.