Minister of Commerce and Industry Mr Anand Sharma has emphasized the need to enhance the usage of renewable and nuclear energy in the fuel mix. Speaking at the World Economic Forum at Davos last evening, in a session Rethinking Energy Security, he said that India had developed a National Action Plan on climate change, which laid a special thrust on solar technologies.Mr Sharma further stated that food security, climate change and energy security cannot be treated in isolation and are integrally linked. He also outlined India's civil nuclear energy initiative citing it as a major milestone for ensuring sustainable and clean development path for an emerging economy such as India.During his address, Shri Sharma also highlighted that the world needs to work in a collaborative manner in developing and disseminating technologies which not only assure that the concerns of climate change are addressed but also respond to the aspiration of billions in the developing world.He mentioned that the energy security had a completely different connotation for the poor and deprived in the developing world that still are denied access to grid based electricity.