Thane: City-based professor Dr Sanjay Mangala Gopal has underlined the need of participation of citizens in energy conservation processes.

Gopal, who is also a members of International Solar Cities Initiatives (ISCI) and is credited for conducting free energy audit in housing societies of Thane through his NGO Akshay Urja Abhiyan, was speaking at the Solar World Congress, 2015, held at Daegu city of South Korea, last week.