My subscription plan cancelled, and I have not applied for it

You can find authorized resellers by using the Adobe Partner Connection Portal: https://adobedealreg.secure.force.com/PartnerSearch?

If the vendor you bought your subscription from is not listed there, then the "subscription" you bought was illegal and will be canceled when Adobe's piracy detectors discover it.

Adobe can provide you with a legal subscription and according to their piracy policy page may also offer you a discount to help you out for the first year. 

https://helpx.adobe.com/x-productkb/global/adobe-genuine-notifications.html

i have the same issue too!, i've been in cotnact with Adobe's support but there is no response!

If your subscription was bought from an unauthorized reseller, then it was probably an illegal resale of an OEM code. Adobe does check for these, and when it finds them users get their subscriptions canceled. You can try for a refund from the reseller, but if they were selling licenses illegally I suspect you are out of luck. You may have better luck with your banks or credit card issuers. 

Adobe is under no obligation to reinstate subscriptions purchased from illegal resellers. They haven't been paid for the subscription.

More information may be found here. Notifications are not emailed, you are notified when you start trying to use the program after the piracy has been detected.

https://helpx.adobe.com/x-productkb/global/adobe-genuine-notifications.html

Hi All  I have the same issue With my subscription , my subscription got cancelled today and I still have a time for Oct.2021

Any way to retrive my subscription ? 

i have the same problem...they sand me an email about subscription cancel beasd in my request

and i dident requst that ..i think there's a problem with the server

Hello @JatinAT,
Sorry to hear that you are facing trouble. Unfortunately, you won't find the help you need at these forums. These are peer to peer forums, with no one here having access to your account information. 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.
https://helpx.adobe.com/contact.html
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
https://tinyurl.com/y7cfrr7y
-Manan