Prox — forcing to pay the money

Hai, i'm priyanka. I registered with prox company and signed the agreement through online mode.in that they mentioned that if i failed to submit the work i should pay 4700/_ as penalty. But now they are asked to pay 7600/_. I paid it. Again they are asking 10510rs for continuation of work. And 13500 for discontinue the work. They are torturing me like anything any blackmailing that they will take legal action. It's a pacca fraud company. Very stupid company. Totally fraud. Govt should take an action to this company and the people working in it. They are totally cheating people. Plz help me to come of this. I paid lot of money. 7600 + 5500 + 5010. They are forcing me and blackmailing me. Plz help me.