Already canceled my iCloud subscription.. why are charging in my account?

Hi birendra128,

Welcome to the Apple Community.

We are all Apple users, like yourself, in this community ...

only Apple would be able to check your records, and tell why you are still being charged.

(You may be able to request a refund ?)

How to contact Apple Support:

There is a "Get Support" link to Apple at top right on this discussion page. (eg: online chat, phone call, & etc.)

OR

Apple phone numbers around the world

https://support.apple.com/en-us/HT201232

AND

If your country is not listed: 

Apple Assistance:

Choose your country or region:

https://support.apple.com/choose-country-region

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You might want to check your iCloud was properly cancelled ?

Apple support have an article online that may help.

Downgrade or cancel your iCloud+ plan

https://support.apple.com/en-us/HT207594

iCloud support:

https://support.apple.com/icloud

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And

How to: Request a refund for apps or content that you bought from Apple:

https://support.apple.com/en-au/HT204084

All the best :-)