Off Tech Enterprises — the app

Address:

Bhartendu harischandra hostel, Banaras Hindu university, Varanasi, Uttar Pradesh, 221005

I applied for work from home on quikr and internshala and the off tech enterprises called me and told all the details regarding the work and i agreed to the work but once i got registered the app i've to work upon isn't working and they sent me legal documents that says i will be liable to pay 9300 if i don't do the work i am provided within 10days