For a traditional experience with live classical music, the GSB Seva Mandal in the suburb of Matunga is highly recommended.

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Afterward, he and other veterans started the Seva Foundation, dedicated to identifying and treating the causes of blindness in poor countries.

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With surveillance and public health awareness, Seva (which means "service" in Hindi) has, it says, cured blindness in 2 million people.

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In India, where things too often are still done in triplicate, Andhra Pradesh's pioneering e-seva system lets people pay their utility bills, transfer money, buy railway tickets and so on.

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On Monday, he has 50 volunteers working for Bharat Seva Dal, his non-governmental organisation, scouring the grounds for anyone who looks lost, bringing them to the camp and making announcements.

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