Over 80 per cent of water consumed in flats and buildings comes out as wastewater. In un-sewered areas, the conventional practice has been to use a septic tank as the recipient of wastewater flows and the liquid effluents then emerging being led into soak pits or leaching trenches.

Astronauts hooked up a water recycling system and installed two new bedrooms aboard the International Space Station on Wednesday while crewmates prepared for a second spacewalk to fix the outpost's power system.

The work is part of a final effort to complete the $100 billion orbital complex, a project involving 16 nations, by 2010 when the space shuttles are to be retired.

Haryana Pollution Control Board (HPCB) regional officer (Gurgaon region) Dr C V Singh said the Board had issued four notices to the mall owner, one Vijay Dixit.

The state environment department is

With a view to meeting the future water supply requirements of the growing population of Gurgaon, the Haryana Urban Development Authority (HUDA) will construct a second water treatment plant for the city at a cost of Rs 86.44 crore.