I have no subscription how have they deducted the amount from my card

Read again -> Related Article -> If you see 'apple.com/bill' on your billing statement

How to see what you were charged for

1. To see your purchase history, go to reportaproblem.apple.com.
2. Sign in with your Apple ID.
3. A list of purchases appears. To see family members' purchases, select the Apple ID button and choose a family member.
4. To see the full receipt including tax, tap or click the date. Multiple purchases, including subscriptions, might be grouped onto one charge.

If you checked reportaproblem.apple.com and your emailed receipts and you're still not sure why you were charged, contact Apple Support.

See also this Apple article: If the subscription that you want to cancel is not listed

If the subscription that you want to cancel is not listed - Apple Support

👉 may be iCloud subscription?

Check -> Go to -> Settings -> your name -> iCloud -> if you see 50 GB (or 200 GB ot 2 TB) then you have an iCloud subscription.

If you have an iCloud subscription, you will receive a monthly bill from Apple, check your e-mail box.

You pay monthly for iCloud storage.