The resolution, moved by Transport Minister Kailash Gahlot, was passed by a voice vote in the House.
Without naming the Centre, Sisodia said that there was an attempt to make the Delhi Metro "premium public transport", but the AAP government would not allow it.
The deputy chief minister, during a discussion on the resolution, said, "The (Delhi) Metro is being run by the money of people who don't want fares to be increased."
He argued that if the metro fares were expensive, people would shift to cabs, resulting in an increase in the pollution levels in Delhi.
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The Aam Aadmi Party has been opposing the proposed metro fare hike scheduled to be effective from tomorrow.
Yesterday, Chief Minister Arvind Kejriwal had offered to take over the metro if the Centres agrees.
Sisodia said today that, "We will soon expose the truth behind the conspiracy. DMRC is not a soap company, instead it has been set up by people's money." he said.
The last fare hike was in May this year.
Delhi Assembly Speaker Ram Niwas Goel has also written to Union Housing and Urban Affairs Minister Hardeep Singh Puri to stop the fare hike for larger public interest.
Sisodia also vowed to make the Metro "profitable and efficient" if the DMRC is taken over by the government.
During the discussion, Transport Minister Gahlot said the DMRC has "failed" to earn revenues through its property development despite the fact that it has properties in several prime locations in the national capital.
Hitting out at the Delhi government over the issue, Leader of Opposition Vijender Gupta said the AAP dispensation was not serious about the people's concern.
"There are five nominees of the Delhi government in the DMRC board. Why did they allow the board to increase fares of Metro? The government is not serious on this issue," Gupta alleged.
If the hike is effected, the fares will go up by a maximum of Rs 10. The existing fare structure is: up to 2 km -- Rs 10, 2-5 km -- Rs 15, 5-12 kms -- Rs 20, 12-21 km -- Rs 30, 21-32 km -- Rs 40 and for journeys beyond 32 km -- Rs 50.
For the subsequent slabs, it will go up by Rs 10 each, which means the maximum fare will be Rs 60.
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