to provide food, help, or a service to someone.

सेवा करना

English Usage: She is serving dinner to her guests right now.

Hindi Usage: वह अभी अपने मेहमानों को खाना परोस रही है।

the act of delivering or distributing something, often food.

परोसा जाना

English Usage: The serving of the meal was delayed due to a power outage.

Hindi Usage: भोजन का परोसा जाना बिजली की गुलती के कारण देरी हो गई।