August 15, 2019, marks the 73rd Independence Day of India. In 1947, when India broke away from the shackles of British rule, it was unprepared, uneducated and poor. But in the last seventy years, it has undergone a sea change. While its literacy rate has risen from 18% to 74%, the life expectancy has increased from 32 years to 74 years. Here's how it fares on key parameters.