Correct option is C
The correct synonym of the given word is (c)
Essential.
Indispensable: Absolutely necessary or essential. (अति आवश्यक)
Example: Water is
indispensable for survival.
Essential: Extremely important or necessary. (जरूरी)
Example: Oxygen is
essential for respiration.
Synonyms: necessary, crucial, vital, essential.
Antonyms: dispensable, optional, unnecessary.
Meanings of other options:
· (a)
Memorable – Worth remembering (स्मरणीय)
· (b)
Eternal – Never ending (अनन्त)
· (d)
Forceful – Strong and powerful (प्रभावशाली)