BHEL (Bharat Heavy Electricals Ltd)realized the importance of renewable energy sources as early as in the 1980s development, manufacture, and supply of a range of renewable energy products and systems. BHEL developed a range of renewable energy products and systems.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/development-renewable-energy-technologies-india-role-bhel
[2] http://admin.indiaenvironmentportal.org.in/category/author/s-r-awasthi
[3] http://admin.indiaenvironmentportal.org.in/category/journal/akshay-urja
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/small-hydro-power
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/renewable-energy
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wind-energy
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/solar-energy
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/solar-water-heaters
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/battery-vehicles
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bharat-heavy-electricals-ltd-bhel