Showing posts from August, 2022
Since Independence(1947), India has witnessed tremendous evolution in its foreign policy. Different leaders, at different time, carved out a specific policy for foreign affairs which suited India's interest at particular tim…
Human social evolution has been divided into different ages, those are Paleolithic age , Mesolithic age, Neolithic age, Chalcolithic age and later bronze Age. This categorisation is based on human occupation, tools and social str…
In 1933, a Swiss American astronomer, Fritz Zwicky, found that mass of stars of Coma cluster of galaxy was only one percent of the mass needed to prevent galaxies escaping from gravitational pull of cluster. These observation w…