Researchers at the Institute of Seismological Research, Gandhinagar M. S. University of Baroda, MG Science Institute, Ahmedabad and ETH Zurich, Switzerland, have found evidence of a fourth tsunami event on the coast of Kachchh in western India, which happened about a thousand year ago and was previously undocumented.
An IIT Bombay study using satellite data shows rising greenhouse gas levels over Delhi and Mumbai and also identifies emission hotspots in these cities.