Please dont get stuck with these guys took payment...

Please dont get stuck with these guys took payment on 30 may 18 was suppose to launch my website on 1 st July on 5 th July i saw extremely dissatifactory work, i cried tears! Had to give the task to another company because cudnt trust them anymore, but completely unprofessional they didn't accept there mistake Infact they spoke to me in a manner that im a hopeless client!
Didn't refund my 70 k advance so had to let them do my CRM order placed on 30 may with a cheque of 70000/- as advance ammount three months + 10 days gone still waiting for them to do the Job! When i call the person who closed the sales he speaks to in a tone that im torchoring him by my calls! Dont know what to do!! Suffered hugeeeee losses with these guys!!