New Delhi, Oct. 4 -- On the occasion of World Smile Day, the Delhi Metro Rail Corporation (DMRC), in collaboration with Smile Train, organized an interactive activity at Millennium City Centre Metro Station in Gurugram.

As part of the initiative, passengers are being invited over three days to share their thoughts on the #SmileWall by answering the question, "What makes you smile?"

The campaign aims to raise awareness about cleft lip and palate, a congenital condition affecting nearly 35,000 children born in India each year. Organizers highlighted that cleft can be treated successfully, and free assistance is available through Smile Train's toll-free helpline 1800 103 8301.

DMRC officials said the activity not only spreads awareness bu...