The following sentence has been divided into parts. One of them may contain an error. Select the part that contains the error from the given options.
It is imperative in understanding / the rising importance of artificial intelligence / in the public sector to increase the efficacy / and impact of the work done for public welfare.

Correct option is B

Option (b) contains an error.
Correct form: It is imperative to understand not in understanding.
�� Grammar Rule:
After expressions like “It is important/imperative/essential...”, we use the infinitive (to + V1), not gerund (-ing).
Incorrect: It is imperative in understanding
Correct: It is imperative to understand
✅ Example: It is important to attend the meeting on time.