Excellent Data Solutions — Making fraud and demanding money

I searched for a data entry job.Then a company called EXCELLENT DATA SOLUTIONS from Quickr jobs offered me a data entry job.They made registration and made an agreement with me.After that they gave me a username and password to do work.They gave me a work of 1000 forms to complete in just 10 days.I hardly completed that work in 6 days and checked it twicely in 3 days and submitted on the 10th day.Actually it is mentioned in the agreement that QC report will be provided in just 2 days after submission of work.But they gave me the QC report after 9 days and told that my QC report is failed.Now they are asking me 5400 rupees to compensate their loss.This company is a fraud company.They are blackmailing me with an advocate notice and told me that they file a complaint against me.Sir please kindly help me.Please sir