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Ravi Shankar, who introduced Indian music to much of the Western world, counted Beatles member George Harrison among his disciples.

His curiosity extended to biographies of musical greats like Ravi Shankar and Miles Davis, reflecting his hunger for stories that transcended boundaries.

Shankar traces the origins of TetRS back almost a decade, to a time when researchers identified a handful of genes that were mutated in certain forms of brain cancer.

That Sunday boasted quite a bill: Ravi Shankar mesmerized the crowd with a set of ragas that lasted more than three hours.

The country's then IT minister Ravi Shankar Prasad also warned of action against the company and Facebook if it misused data of Indian citizens.