IIT Madras

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NPTEL - Learn Free Online Anywhere, Anytime.

NPTEL provides E-learning through online Web and Video courses of various streams. Choose from 994+ Courses from Management, Engineering to Humanities and Social Science. The NPTEL portal has detailed courses and videos on YouTube for you to learn and explore your curiosity.
House That Harvests Rainwater, Produces Solar Energy, Organic Food and Biogas!

House That Harvests Rainwater, Produces Solar Energy, Organic Food and Biogas!

"I haven’t experienced any power cut, even for a minute, in the last 4 years!" This Man Built a House That Harvests Rainwater, Produces Solar Energy, Organic Food, and Biogas!
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