Which of the following collocations given in the option is correct?
The report highlights the ______ significance of education in society.

Correct option is C

The correct collocation is critical significance.
Explanation:
“Critical significance” is a widely accepted collocation used to express something that is extremely important and impactful. In this sentence, it correctly highlights the essential role of education in society. It is both grammatically and contextually appropriate.
Correct word: Critical significance
Hindi meaning: अत्यधिक महत्वपूर्ण महत्व
Use in a sentence: The report highlights the critical significance of education in society.
Meanings of the other options:
· (a) Vastly – Means "to a great extent" and is used as an adverb. It cannot be used before the noun "significance."
Hindi meaning: बहुत अधिक मात्रा में
· (b) Major – Means "important or significant in size or scope," but when paired with "significance," it sounds repetitive and weak as a collocation.
Hindi meaning: प्रमुख, मुख्य
· (d) Serious – Generally means "grave" or "not joking," but it is not the right adjective to pair with “significance.”
Hindi meaning: गंभीर, गंभीर स्वभाव वाला