India, Jan. 14 -- As Delhi continues to grapple with poor air quality, the Centre has signalled a tougher push against pollution sources, with polluting vehicles and traffic congestion firmly in focus.

Bhupender Yadav, Union Environment Minister, on Monday called for stricter action against high-emission vehicles in the national capital, including the installation of automatic number plate recognition (ANPR) cameras at border entry points and the exploration of staggered office timings to ease peak-hour traffic. The suggestions were made during a review of the Delhi government's plans to address air pollution in the National Capital Region (NCR), officials said.

"Air pollution in NCR is driven by both anthropogenic activities and meteor...