Threaten Me Mentally That I Take Legal Action Against You.

I have worked for online company in which i have done data entry work. They give me 900 form in 9 days. I completed my within 9 days bt they say i have fail in accuracy so, i have to pay penalty as a 4700 as a mention in agrement. But i fail in accuracy in capital letter or space and they do not provide any training for this even they do not provide any demo video or full written statement how to fill the form and capital letter or space. They just provide single image releted to work and this they not memtion any thing and when i go to fill the form then there is four image to fill and they provide just single image as work demo. Now they are demanding 4700 as penalty to me not only me many one come in my contact who suffer from this same problem. Sir, iam a student how i pay that much amount and i also do not want some take legale action me because it disturbe me mentally and financially.ow im doing my graduation.they threaten me that they send me summon to my adress. Sir plz help.