sify is the worst service

sify is the worst service .never ever try the sify internet services in visakhapatnam. i am facing the problem of disconnetion every 10 to 20 min .the response from call center and local personal is worst in visakhapatnam,the reception and call handling executive here Gayatri doesnot know how to behave with customers.NEVER SUBSCRIBE TO SIFY INTERNET PACKAGES EVER IN VISAKHAPATNAM.