Unix Enterprises — harassment for money

Address:

Thane, Maharashtra

Unix enterprises gave us the job to type 1500pgs in 10days as per the demand we completed the work given but after completing they told that our pgs are incorrect and asked for the penalty as per there norms after this i searched this company online and concluded that this company is fraud there agreement is fraud now they are sending us messages n calling us to pay the penalty or there compensate please help me out