Kosala was an ancient Indian region, corresponding roughly in area with the region of Oudh in the present day Uttar Pradesh state. According to the Buddhist text Anguttara Nikaya and the Jaina text, the Bhagavati Sutra, Kosala was one of the Solasa (sixteen) Mahajanapadas (powerful realms) in 6th century BCE and its cultural and political strength earned it the status of great power. However, it was later weakened by a series of wars with the neighboring kingdom of Magadha and, in the 4th centu… (More on Kosala)