There is no option to cancel the auto renewal, you have to remember to cancel the plan yourself before renewal. See the following article
Look at the following link for information on how to cancel your subscription.
If the information does not help, then you need to contact support.
Login to your account and navigate to the URL below. Make sure that the browser has cookies enabled, and all script blockers are disabled.
Click on the chat icon on the bottom right, and type AGENT to avoid bots and talk to a human.
Also, be mindful of answering anyone who sends you a private message. See the following for more information about scammers
Its a one month plan I was subscribed to... So now its already up for renewel... Now I've to make the payment for the coming month and then cancel... Great...