Need to remove internet connection from abroad

Hello @prakash , welcome to our forum. The page @wjb sent is for general use when cancelling a subscription.
However when moving out of the country there is a special page to cancel your subscription.
You can fill in the data on www.kpn.com/emigreren. Your subscription will be terminated within 5 working days. 
If you'd like to discuss this by phone you can reach us on 0031612001200 from the UK

P.s I took the liberty of changing your username because it contained your customer number and this is private information. I added it to your private profile.