to require something

आवश्यकता होना

English Usage: She needs to study for the exam.

Hindi Usage: उसे परीक्षा के लिए पढ़ाई करनी है.

necessities or requirements for a specific situation

ज़रूरतें

English Usage: His needs were simple and easily met.

Hindi Usage: उसकी ज़रूरतें सरल थीं और आसानी से पूरी की जा सकती थीं.