Explanation:

 Shilli wildlife sanctuary is most attractive area in Solan district in Himachal Pradesh. This sanctuary was established during the year 1963 with the aim to preserve endangered species of that period, ‘The Himalayan Black Bear” but it was felt that the area of this sanctuary must be increased in order to provide a free environment to the endangered quadruped, a re-notification was again released in 1974. This sanctuary was extended upto the area of 2.14 SQKM. Location of this sanctuary is just 5 kilometers away from Solan district.