India's Constitution, which banned caste discrimination, turned 60 last week. But caste has existed for over 3 millennia, and many people view caste - in addition to curry and the Taj Mahal - as one of India's defining features. We discuss the culture of caste, the reservation system and comparisons to the U.S. Joining Martin Savidge are Vivek Kumar and Corey Washington.

Multimedia reporter Ben Piven spent nine months documenting the caste system in Mumbai on a Fulbright grant. He recalls his field research and the questions surrounding caste and Indian nationalism in the slums of Mumbai.

For all the progress seen in India's transformation into a modern global economy, the country remains strongly tied to the traditions of its caste system, which largely governs where Indians work and in what jobs. Worldfocus reports on the lowest form of work, for members of India's lowest class.