With fast growing population and faster shrinking groundwater resource, India is expected to be looking for water from somewhere else in the planet by 2050, an Indian media report said.
UNITED NATIONS: More than half of the world's seven billion people live in urban areas, with the top "mega cities" - with more than 10 million inhabitants - being Tokyo, Delhi, Shanghai, Mexico City and Sao Paulo, according to a United Nations report on Thursday.