Several MPs on Monday made a statement against pollution in the national capital by riding bicycles, sporting masks and even choosing electric vehicles over fuel guzzlers as they arrived for the Winter Session of Parliament.
The air quality in Delhi improved marginally on Monday but remained in the "poor" category for the second consecutive day.
Union Environment Minister Prakash Javadekar arrived at Parliament in an electric car.
"The government is gradually switching to electric cars as they are pollution-free. I appeal to people to contribute to fight pollution -- start using public transport, electric vehicles etc", he told reporters.
Congress MP Gaurav Gogoi wore a mask as a mark of protest in front of the Mahatma Gandhi statue on the Parliament premises against rising air pollution levels.
Bharatiya Janata Party MP Manoj Tiwari and Mansukh Mandaviya reached Parliament riding bicycles.