Analysing data from 1975 to 2014, a study examining changes through three waves over 40 years by researchers at IIT Bombay and the University of Hyderabad found that productivity in India's semi-arid tropics depends less on farm size and more on access to inputs, credit, and markets.
An IIT Bombay study using satellite data shows rising greenhouse gas levels over Delhi and Mumbai and also identifies emission hotspots in these cities.