Answer: Uttarakhand
Notes: Himalaya Diwas is celebrated every year on 9th September in the state of Uttarakhand, with an aim to conserve Himalayan ecosystem and region. It was officially declared as Himalaya Day in 2015 by the state’s then Chief Minister. In 2014, the then Chief Minister Harish Rawat officially declared September 9 as ‘Himalaya Diwas’, to be celebrated across the State to spread the message of conservation of the Himalayan ecosystems.
