Select the most appropriate option to fill in blank 2.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. caters.
The word "caters" indicates that the institute currently and regularly serves around 15 lakh outpatients and 80,000 inpatients each year.
This present tense form reflects the ongoing service provided by the institute.
Hence, the chosen option will be the correct answer.