Arijit Singh’s “Muskurane Ki Wajah Tum Ho” is from the album CityLights, starring Rajkummar Rao and Patralekha. The song features lyrics by Rashmi Singh and music by Jeet Gannguli. It begins with the direct admission that one person is the reason for all happiness, including smiling and humming.

Muskurane Ki Wajah Tum Ho
Arijit Singh • From “CityLights”
CityLights’s Muskurane Ki Wajah Tum Ho Lyrics Translation
The lyrics later address a moment in time, pleading with it to stop and last forever. This request points to an underlying fear of losing the current feeling of contentment. The meaning of the “Muskurane Ki Wajah Tum Ho” lyrics also describes a partnership where one person brings “shade” during life’s harsh “sunshine.”
Muskurane Ki Wajah Tum Ho Music Video
The song moves from a simple statement of happiness to a plea for its preservation. This progression shows that deep contentment can also create a sense of vulnerability. The track defines love as a force so essential that the thought of living without it feels impossible.