In the Gupta period the largest number of coins were issued in 

The Prime Minister of India is -

Head quarter of Universal Postal Union is located at? 

The Ranchi district launched the which program to help the migrant workers to get back to their native places on bus instead of tiresome travel by foot?

.“The seven lamps of architecture” book was written by? 

The Descent of Man, and Selection in Relation to Sex” book was written by?

Head quarter of World Meteorological Organisation is located at? 

The World Meteorological day is observed on which date?