Correct Answer: prestige

Solution : The correct option is the third option.

Explanation:
In the context of the sentence, reputation refers to the esteem or regard that Pankaj endeavours to maintain for his institution, which closely aligns with the meaning of prestige, which also means reputation or influence arising from success, achievement, or rank.
The meanings of the other options are as follows:

• Opinion: A view or judgment formed about something, is not synonymous with reputation .
• Position: It refers to a place, status, or stance, not directly synonymous with reputation.
• Growth: The process of increasing in size or development, is not synonymous with reputation.

Therefore, the correct answer is prestige.