I2E — fraud company

I'm a student and was searching for jobs and then one day came across this company i2e, they offered bpo work on the website //wv. Bpoworks.in when i was doing my work the wifi disconnected and the first page disappeared after reconnecting. I mailed the company helpline no. explained them the whole they didn't respond my request.Now they mailed and ask to pay ₹5100 as i didn't complete the work on time