Four identical circles are arranged inside a square of side 14 cm such that each circle touches two adjacent sides of the square and two other circles. Find the area of the shaded region that lies inside the square but outside the circles.

Which Indian independence movement leader was primarily known for his philosophy and practice of non-violent civil disobedience?

Who gave the call for 'Do or Die' during the Quit India Movement in 1942?

Which of the following revolutionary pairs were imprisoned together in Cellular Jail and faced harsh conditions, contributing significantly to the Indian independence movement?