Bio fuel

https://www.thebetterindia.com/182303/haryana-man-innovation-waste-cooking-oil-biofuel-green-india/?utm_source=fb&utm_medium=link&utm_campaign=fresh&utm_content=tanvi

Water conservation in three steps

https://www.thebetterindia.com/182369/bengaluru-water-bill-saving-rain-water-harvesting-sustainable-homes-india/?utm_source=fb&utm_medium=link&utm_campaign=fresh&utm_content=tanvi

Water purifier@10

https://www.thebetterindia.com/179089/kerala-student-innovation-low-cost-water-filter-organic-india/?utm_source=fb&utm_medium=link&utm_campaign=reshare&utm_content=gopi

5 layer of crops in one land

https://www.thebetterindia.com/183068/madhya-pradesh-organic-farmer-multi-layer-earns-lakhs-india/?utm_source=fb&utm_medium=link&utm_campaign=fresh&utm_content=jovita