People close to him said Vardhan's easy-going attitude and disarming smile were his greatest assets because of which the party drew support from various quarters, some of them unexpected.
In its manifesto, Congress has promised to set up a Single Command System to address the problems of multiplicity of authorities and a common economic zone for the entire National Capital Region to minimise load on Delhi's infrastructure.
It has also promised to construct double-decker flyovers to ease traffic congestion.
The AAP said it will pass the Jan Lokpal Bill within 15 days of coming to power, besides promising to cut power tariff by 50 per cent.
It said 700 litres of water per day will be given free to each household.
A number of issues including price rise, corruption, unemployment, traffic congestion, water scarcity, high water and power tariff were raised by the Opposition against the Congress government.
Uncontrollable inflation, which left vegetables out of common man's reach just two months ahead of polls, also seemed to have sealed Congress' fate in its traditional bastions.
