153 Facts-6

26. Chess was invented in India.
27. The' place value system' and the 'decimal system' were developed in 100 BC in India.
28. The game of snakes & ladders was created by the 13th century poet saint Gyandev. It was originally called 'Mokshapat.' The ladders in the game represented
virtues and the snakes indicated vices.
29. India has the most post offices in the world
30. 'Navigation' is derived from the Sanskrit word NAVGATIH