What is the main ingredient in cement?

What country is Greenland a part of?

Which of the following animals have a 'mixed heart'?

Which city in Rajasthan is called the 'White City'?

What is the hardest naturally occurring substance on Earth?

When is National Postal Day celebrated in India?

The Gandhara school of art came into existence in which Buddhist sect?

Which ancient Indian epic was translated to Persian as the 'Razmnama'?

The first Battle of Panipat was fought between Ibrahim Lodi and which Mughal emperor?

Which famous Bengali poet has a book named "Gitobitan" dedicated to all the poems written by him?