Typingwork — Online form filling

Website:

typingwork.in

Some one called me in the morning and they have told me that they are having typing work to do they told me that 7 days 700 forms of you have completed that we will give you money like 35 rs per page and I have asked that if I have not done the work what will happen they told nothing will happen and no registration fee and no charges and now I am not able to do the work and they are telling that you have to pay 6000/- according to company charges, or they will give a legal notice what should I do? Please help me I am student