The exercise aimed at encouraging people to use public transport in order to control air pollution saw participation of thousands of people, including schoolchildren and women.

A cycle rally as part of the initiative was organised on the route from Laxmi Nagar Metro station to Poorva Sanskritik Kendra via Karkari Modh bridge starting at 8 am.

Deputy Chief Minister Manish Sisodia, who attended the event, rode on a bicycle and appealed to the people to take to bicycle-riding as a way of ensuring the success of the odd-even number scheme.

The app will allow commuters to use their smartphones to book autos and taxis. It enables autorickshaws and taxis with GPS to connect to a common server. There are around 80,000 autorickshaws and 30,000 taxis plying in the national capital.

The next car-free day will be organised near Delhi University in north Delhi, Transport Minister Gopal Rai said at the event.

Meanwhile, referring to Finance Minister Arun Jaitley's defamation suit against Kejriwal and five AAP leaders over the DDCA controversy, Rai said, "Delhi government is fighting against a lot of dishonest people. We are not scared of defamation. We will fight on the streets and in courts to eradicate corruption. We will not accept defeat."

Read more: Pollutants in Delhi's air on rise again

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