Correct option is B
The correct antonym of the given word is (b) Oblivion.
Memory: The ability to remember information or past events. (Hindi: स्मृति)
Example: She has a vivid memory of her childhood.
Oblivion: The state of being completely forgotten or unaware. (Hindi: विस्मृति / भुला दिया जाना)
Example: After years of fame, the actor faded into oblivion.
Synonyms of Memory: recall, recollection, remembrance, retention
Antonyms: forgetfulness, unconsciousness, oblivion, amnesia
Meanings of other options:
· (a) Suppress: To forcibly end or control something (दबाना)
· (c) Retrospection: Looking back at past events (पश्चातावलोकन)
· (d) Impart: To give or convey information (प्रदान करना)