TOI Newswrap: India may have had 65 lakh Covid cases by May, says sero survey

The Great Trigonometrical Survey of India was one of the most noteworthy contributions that the British made to India. Nobody had mapped so much of the Earth’s surface before this project. Among many of its remarkable achievements, it helped identify the world’s tallest peak! And Chennai is where it all started… This reel is part of our special Chennai-a-Maze series that we are running in collaboration with @the_hindu to celebrate #MadrasMonth. Click the bell icon on the top right corner of our

50th Anniversary of the BSF