1.DOOM’S DAY CLOCK-
a clock which tells how far the world is from global catastrophe by the number of minutes left to reach midnight at which the catastrophe is said to happen.
it reflects the danger from nuclear weapons and climate change.it is maintained since 1947 .IT just highlights the urgent actions the world needs to make to save the humanity from the above mention dangers.
2.Caste system among Muslims - Ashrafs (UPPER CASTE) and Pasmandas (LOWER CASTE).
3.Unification flag- a flag representing the sportspersons of both NORTH AND SOUTH KOREA when they participate in any sporting event as one team.
The flag has no official status from either country.
4.REPUBLIC DAY- 26th january ,the official celebration is of 3 days
culminating with beating retreat.
Beating retreat denotes the end of republic day celebration(29 january).
5.Longest platforms - 1. GORAKHPUR , 2. KOLLAM(KERALA),3. KHARAGPUR
many people still remember Kharagpur as having the longest platform but it is not.
6.Carbon Neutral and Negative Country-BHUTAN