The document provides information about India's population, capital city, largest city, prime minister, main languages, longest river, and a teardrop shaped island. India's population is over 1 billion people. New Delhi is the capital city. Mumbai, formerly known as Bombay, is the largest city with over 17 million people. Manmohan Singh has been prime minister since 2004. Hindi is the main language spoken by 20% of the population. The Ganges is India's longest river at 1557 miles. The teardrop shaped island referred to is Sri Lanka, formerly known as Ceylon.