In 1999 to endure uninterrupted power from the 1,960 mw hydro electric project at Koyna dam, the Maharashtra government commissioned and built an underground tunnel to augment water supplies. Now
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/koyna-gets-ready-summer-2007
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-mumbai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dams
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/irrigation