Rediff. Preferred Source Google Discover New Delhi, Nov 14 (PTI) In a veiled jibe, the Congress on Saturday taunted the prime minister over his “400 paar” slogan and linked it to air pollution, saying. Congress leader Jairam Ramesh mocks PM Modi's '400 paar' slogan as Delhi's average AQI crosses 400, with several monitoring stations recording severe pollution levels across the national capital.