Nistha Sehgal, Taarushi Abrol, Rupangana Gupta, Ishaan Viryani, and Sanidhya Mehta—all Grade 10 students from Shiv Nadar School, Noida, have come up with an eco-friendly innovation that may help in revival of water bodies downgraded with eutrophication — a process where water bodies become enriched with nutrients such as phosphorous and nitrogen. Their product is eco-friendly bioenzyme made from fermentation of …