One month line not working and being charged ?!?

11/11/2015 (fault no. 470CTK111115) My Internet was disconnecting every 20 minutes (but at least could still download) the fault was resolved one month later on 10/12/2015 was billed for faulty service but still paid as i could at least download. Two weeks later on 24/12/2015 My telephone line was completely dead and could not browse or Phone the line was completely dead and there was no dial tone.I managed to log a fault on 29/12/2015 (ref no. 447CTK291215) and was only resolved 03/02/2016 only one month later !! So why am I being billed for your problems with your network / infrastructure ? Can someone please phone me to sort this out as I am not paying for something that has not been working for one month. Adjust my account accordingly and I will happily pay for the services that was working. Thank you