What happens if a contract is violated?

I signed aggrement of dataentry job, they provide me 700 forms which completed in 7 days , i completed 698 , 2 forms submit blank by mistake , noe asking for money for new id and told me to complete work , i refused to pay , then they send me this Your legal case ID GJ/9317523 is going for legal proceedings, kindly hire a lawyer and go for further process, we at net scribes solution are going with legal proceedings under section 72,73,74 in the Indian contract act 1872, due to violating the contract, regards,law firm" what to do now ?