Altech Netstar *****ing from customers, please beware!!!!

My contract was coming to an end on the 19th of March 2018. On 15 February 2018 i wrote to them giving them a notice to say when my contract comes to an end I do not want it renewed, I want it cancelled. They responded to say they will cancel the contract but they will take the whole amount of March 2018 but they will only provide their service up until the 19th of March because they require 30 day notice period. I wrote to them inquiring why they would charge me for the whole month for a contract that was coming to an end anywhere and also that I had given them notice to cancel the contract at the end of its term. On the 2nd of March 2018 I called them to inform that that I realized they debited my account for the whole of March so it should logically mean that they will provide their services for the period of the whole of March. They responded that they will only provide their service until the 19th of March 2018. I inquired as to why did they took the fee for the whole month if they will only provide a service until 19 March. I also inquired as to why they want customers to pay twice for the same service in the whole month and they responded that they do not do pro- rata payments. If they do not do pro- rata payments why do they take fees for a whole month and not provide a service for the whole moth? This company is taking advantage of customers. This is ********* behaviour and I have never experienced this before with all the contracts that I have cancelled. Normally if a company will take money for the whole month they will tell you upfront that they will cover you for the whole month since they do not do pro- rata payments for the final month. Why is Netstar *****ing from customers and why is it that they are taking money for the whole month when they are providing a service for only a few days in the month. Why are they not acting like other companies who will inform you in advance that they will take for the whole month and cover for the whole month? Netstar is operating *********ly. Consumers must know this. In any case their services are bad and they are expensive for nothing!! Consumers must know that Netstar is *****ing from customers!! Its he only company that I have seen with such ********* practices.