India, Feb. 17 -- While most people hurried past in the bustle of South Delhi, one man chose to pause. Seated on a footpath in Sheikh Sarai, he spent his time teaching children with little access to formal education, and he did so without cameras, banners or any spotlight.

An Instagram video shared by Anshu Kumar captured the simple yet powerful moment. The clip shows the man sitting on the pavement, surrounded by a small group of children. There is no classroom, no blackboard and no formal set up. Notebooks rest on small laps, and the teacher patiently explains lessons, determined to make a difference with whatever resources are available.

Watch the clip here:

"Thank you from the busy world," reads the text over the clip.

The video w...