Correct option is C
The correct antonym of the given word is (c)
Extol.
Chastise: To criticize or punish severely. (Hindi: डाँटना या सज़ा देना)
Example: The coach chastised the player for being late.
Extol: To praise enthusiastically. (Hindi: प्रशंसा करना)
Example: He was extolled for his bravery.
Synonyms of Chastise: berate, rebuke, scold, reprimand.
Antonyms:
extol, praise, glorify, compliment.
Meanings of other options:
· (a)
Mulct: To fine or penalize (जुर्माना लगाना)
· (b)
Berate: To scold harshly (फटकारना)
· (d)
Keelhaul: To punish severely (कड़ी सज़ा देना)