When a Mother Curses Her Sons: Brahma and the Balance of Creation in Mahabharata - the Warning for Humanity Kadru and Vinata were sisters, and both were wives of Sage Kashyapa. They made a bet about the colour of the tail of the horse Ucchaihshrava, which came out during the churning of the ocean. Vinata said the tail is white. Kadru said it is black. The one who loses will become the servant of the winner. Kadru knew that the tail was white, so she made a plan to cheat. She asked her thousand serpent sons to hang on the tail so that it looks black. The serpents refused. They said this is cheating and adharma, and they did not want to be part of it. Kadru became very angry and cursed her own sons that they will be burnt in the snake sacrifice of King Janamejaya of the Pandava lineage. Why Brahma and the Gods Approved This is the part which makes us think. A mother cursing her own children is a cruel act, and normally the gods would not support it. But according to the Astika Parva ...