Gokul is also located on the banks of river yamuna. When Vasudevji was instructed by Vishnu ji to take the baby Krishna to Gokul and replace him with the newly born daughter of Yashoda and Nandji the yamuna was overflooded due to the rainy monsoon season in the month oh Bhadra.However inspite of such adverse conditions Vasudevji brought Krishna to Nand baba’s mahal in Gokul and took the baby girl who was the incarnation of mahamaya. In the morning every one thought that Yashoda has given birth to a baby boy. Here he was greeted by is brother Balram who had been transfered into the womb of his father’s first wife shrimati Rohinidevi from Devaki womb. We know about seregated mothers today. Maybe in those days such a system existed in a different way .Both the brothers grew up together in Gokul in Nand baba’s resident because Nand baba was a great friend of Vasudevji. The couple had lost all hopes of bearing a child.so when Krishna was born they were overjoyed and took utmost care of him ...