The International Day of Yoga is celebrated on June 21st each year. This day was officially designated by the United Nations in 2014 to promote the numerous benefits of yoga and encourage people around the world to incorporate yoga into their daily lives. June 21st was chosen as the International Yoga Day because it corresponds to the summer solstice in the Northern Hemisphere, which has special significance in many cultures. The day aims to raise awareness about the physical, mental, and spiritual benefits of practicing yoga.

Answer: C) Norway Explanation: The case where there is 6 months day, and 6 months night could only happen on poles because The Earth is tilted on its axis. The pole which is away (opposite direction of sun) from the Sun remains in complete darkness till it comes in front of the sun. So we conclude that, countries at the poles have 6 months day, and 6 months night. So countries close to these region have such cases like, Alaska, Antarctica, Norway etc. Norway, the northernmost inhabited region of Europe, there is no sunset from approximately 19 April to 23 August. The extreme sites are the poles, where the sun can be continuously visible for half the year. The North Pole has midnight sun for 6 months from late March to late September.

Answer: C) Fluorescent Blue Explanation:

Asia's largest sugar mill is located in Khatouli, Muzaffarnagar district of Uttar Pradesh. The Triveni Sugar Mill in Khatouli is the largest in Asia in terms of production and storage capacity. The mill has been operational since 1933. 

The first round table conference was conducted from 12 November 1930 to 19 January 1931. Majority of the leaders from the Indian National Congress could not participate in this conference due to Gandhi's Civil Disobedience movement. However, the results obtained from the 1st round table conference were minimal.