Tikona — After one year of disconnect tikona service getting overdue amount message

Address:	Mumbai City, Maharashtra, 400078
Website:	www.tikona.in

As per my request my final settlement of tikona connection done on 30/06/2015. Even after one year today i have received the following message from the vm-tikona "tikona wi-bro service id" is disconnected and bill amt of rs. 635.33 is still overdue. Kindly pay immediately. Call on some mobile number if paid or settled already". Please clarify me that after final settlement paid why did i have received this message from tikona. I have tried to call to the number mentioned in the message then its connected to somebody who works on legal department even i tried to reach to customer care but i could not connected to the call. Even for email i haven't received response. Please help me to resolve this issue.