Which of the following is the correct spelling of the word?

Correct option is B

Option (b) is correctly spelt word.
Correct spelling is: “ Supersede — to replace, take the place of, or succeed something because of superiority or newness.” (हिंदी: प्रतिस्थापित करना, स्थान लेना, पदच्युत करना).
Example: Digital platforms have superseded many traditional broadcast channels.