Second phase of 'Red Light On, Gaadi Off' campaign kicked off on November 16 in Delhi.
The drive is aimed to combat pollution in national capital.
"We successfully asked people to switch off cars at red lights.
15 days of Ist phase have gone well.
Now we're launching IInd phase," said Deputy CM Manish Sisodia.
Delhi Environment Minister Gopal Rai was also present at the launch.