Select the INCORRECTLY spelt word.

Correct option is D

Option (d) "Aquire" is incorrectly spelled.
Correct spelling is: " Acquire." (अर्जित करना)
Example: He managed to acquire a rare book for his collection.
Meanings of other options:
· Category: a class or division of people or things.
· Hygiene: conditions or practices conducive to maintaining health.
· Congratulate: give someone praise for an achievement.