The correct answer is: D. The Republic Day of India.
26 January is celebrated as the Republic Day of India. It is a national holiday in India. It commemorates the adoption of the Constitution of India on 26 January 1950. The Constitution of India is the supreme law of India. It provides for a parliamentary system of government and a secular state.
World No Tobacco Day is observed on 31 May. It is an awareness day that was created by the World Health Organization (WHO) in 1987. The goal of World No Tobacco Day is to raise awareness about the dangers of tobacco use and to encourage people to quit smoking.
World Information Society Day is observed on 17 May. It was established by the United Nations General Assembly in 2005. The goal of World Information Society Day is to promote the development of the information society and to bridge the digital divide.
World Turtle Day is observed on 23 May. It was established by the American Tortoise Rescue in 2000. The goal of World Turtle Day is to raise awareness about the plight of turtles and tortoises and to encourage people to protect them.