Textron It Services — story of a married women who wanted to work

I started work of filling online forms in this company, without knowing i did small mistake to fill 1200 forms and then have to submit the work, but i am new to work without knowing clearly i submitted one form after filling, i called the halpline number they saying that is not considerable, i have to pay 3400 charges for this. How could i come out of this, help me.