to come into the presence of

to encounter by chance

偶然 मिलना

English Usage: I happened to meet an old friend in the market.

Hindi Usage: मैं बाजार में एक पुराने दोस्त से偶然 मिल गया।

a coming together or encounter

मिलन

English Usage: The annual meet was well attended by members.

Hindi Usage: वार्षिक मिलन में सदस्यों की अच्छी संख्या उपस्थित थी।