Poison air
Jamshedpur, March 24: The Jharkhand State Pollution Control Board (JSPCB) has set a three-month deadline for sponge iron units and power companies to install online stack monitoring systems to control air pollution.

The JSPCB today issued the directive to managements of sponge iron units and power companies operating in Jamshedpur, Ramgarh, Dhanbad and Hazaribagh.