Mahabharat

(Krishna Katha) Six Infanticides and Birth of Balram and Krishna (1x11)

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Kans personally kills Devki's first six children born in the prison. Devki's seventh "pregnancy" is taken over by Vasudev's second wife who gives birth to Balram. And when the eighth child, Krishna is born, miraculously the prison doors open and Vasudev is able to smuggle out the child and leave him in Gokul with his friend Nand.