New Delhi:Taking a serious note of the drop in air quality and smog cover that has engulfed the city, a Supreme Court-appointed body on Saturday asked Delhi, Haryana, Punjab and Uttar Pradesh governments to take immediate steps to cut pollution.

At a meeting, the Environment Pollution Control Authority (EPCA) headed by bureaucrat Bhure Lal told senior officials of the three governments to work in tandem to ensure improvement of air quality in Delhi and the two states.

Officials of all the three governments told EPCA that they will crack down on polluting vehicles, particularly the diesel vehicles, so that they cannot enter Delhi from neighbouring states

The Supreme Court had expressed concern over the rising pollution and smog in the national capital.

The EPCA, which called the meeting, asked Uttar Pradesh, Haryana and Punjab to restrain farmers from burning paddy stubbles. The Delhi government had blamed