Activists of change

Updated: Apr 16, 2011 21:04 IST

Rajendra Singh: Well known water conservationist. His NGO Tarun Bharat played a vital role in reviving Arvari River in Rajasthan.
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Rajendra Singh: Well known water conservationist. His NGO Tarun Bharat played a vital role in reviving Arvari River in Rajasthan.

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