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Real pride of ancient indian science

I write this with considerable impatience and one question. Do we really have the time to waste on controversies like what ancient India did or did not achieve by way of scientific discoveries? This is when there is the huge unfinished agenda to use the best of science to tackle current challenges and crises.

Make India drought-proof

METEOROLOGISTS ARE still not sure of the timing and intensity of El Niño. But it is clear that this monsoon will not be normal and there is a serious possibility that some parts of the country will be hit by drought and crop failure. The question is why we remain so unprepared to deal with crippling water shortages year after year. Why have all our efforts to drought-proof India failed? What should we do now?

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Components of Rainwater Harvesting system

A rainwater harvesting system comprises components of various stages - transporting rainwater through pipes or drains, filtration, and storage in tanks for reuse or recharge. The common components of a rainwater harvesting system involved in these stages are illustrated here.

Costs

How much will it cost to catch rain?When community come together to harvest rain, the per-capita investment goes down. For instance, Panchsheel Park Colony about 1000 residents pooled in Rs 4.5 lakh to harvest more than 170 million litres of water annually.