Who settled the city of "Din Panah" on the ruins of Indraprastha in Delhi?

Which of the following part of the Constitution cannot be amended?

What is the dormancy period of animals in winter called?

Where was the atomic bomb thrown for the first time?

What was the cause of Minamata disease?

When did Mahatma Gandhi's Dandi March begin?

In which of the following countries are the goods manufactured by the industrial units of district Yamunanagar exported?

When India attained independence, was the Viceroy at that time?