A survey has confirmed for the first time the widely believed theory that rapid urbanisation has taken a toll on the population of tiny sparrows in the cities all over the country.
House sparrows are an indicator of the environmental health of an area, and their disappearance could be linked to a rise in infectious diseases and ecological change, say experts.
Day in Pics: 18th April
Showbiz World - April 18, 2015
PM Modi in Canada