You can cancel a specific subscription or order based on the cancellation and refund policy.
There are different cancellation policies based on the mode of the purchases:
For Estore (online) purchases : You need to contact Customer Care or send an email to firstname.lastname@example.org with the Subscription number or Order number that needs to be cancelled, along with a valid reason for cancellation.
Cancellation policy for estore purchase :
An order can be cancelled within 60 days of the order for the refund to be processed.