Shri Shyam Nandan Mishra was Leader of the Opposition in the Rajya Sabha from December 1969 to March 1971. He was imprisoned in connection with the Quit India Movement during 1942–1943.
From a container of milk, 5 litres of milk is replaced with 5 litres of water. This process is repeated again. Thus in two attempts the ratio of milk and water became 81 : 19. The initial amount of milk in the container was