fact about india 1) The name ‘India’ is derived from the river Indus. It is a valley around which people settled in earlier times. 2) India is the world’s oldest, largest and continuous civilization – the Indus Valley civilization. 3) India has the largest postal system in the world with more than 150,000 post offices, which is thrice the size of that of China . India has the world’s only floating post office on Dal Lake, Sri Nagar. The office provides all regular postal services. 4) India has more than 300,000 active mosques . This outnumbers any other country in the world, even the Muslim countries. 5) India is the second largest English speaking country in the world – 125,226,449 numbers of English speakers.