a device used for observing, checking, or keeping a record of something

a person who observes or checks something

निरीक्षक

English Usage: She worked as a monitor during the examination to prevent cheating.

Hindi Usage: उसने परीक्षा के दौरान cheat करने से रोकने के लिए निरीक्षक के रूप में काम किया।

to observe or check something over a period of time

to keep track of something to ensure its proper functioning

ट्रैक करना

English Usage: You should monitor your expenses to stay within your budget.

Hindi Usage: आपको अपने खर्चों का ट्रैक रखना चाहिए ताकि आप अपने बजट के भीतर रह सकें।