Hathway — Return of router and fraud penalty

Website:

HATHWAY

In the beginning of installation hathway service man said that the router is free o[censored]se and now we left Hyderabad and returning the router to the hathway office. They are saying that you have to pay the money for using router or you will be penalized for not paying the money . They initiated the penalized amount of 4500rs without confirming us.
Hatway is the worst internet provider and harrasing customers is their job by making calls continuously