Kd Technology — payment issue

I register on a OLX for job and after some hours i receive a call from the company name kd technology and also a mail from Naveen Sharma who says that he is marketing executive of the company he told me that i have to fill 2200 forms in 20days so that they pay me and they send me an agreement from surat with they write if you won't complete the work you have to pay 5200/- to the company for maintenanc within 2 days. After my completed job they found my job was fail.
Befor compamy's report Mr Tejas Joshi (Advocate) mail me and msg your job is fail you need to pay 7510/- within 2Pm today. He is not giving me time . i told him I am ready to pay company becoz my job is fail give me some time. will pay within 2 days .But he not ready hr force me and send me notice and mention in notice you need to pay now 18000/, rs.