To receive sound through the ears; to become aware of something.

सुनना

English Usage: I hear about the concert every year.

Hindi Usage: मैं हर साल कॉन्सर्ट के बारे में सुनता हूँ।

To learn or be informed about something.

किसी चीज़ के बारे में जानना

English Usage: Did you hear about the new restaurant downtown?

Hindi Usage: क्या आपने शहर में नए रेस्तरां के बारे में सुना?