Senior AAP leader and Rajya Sabha MP Sanjay Singh welcomed them to the party.
"Looking at the works done by the AAP in the last five years, many top leaders from the Congress and the BJP are joining the AAP," said Sanjay Singh.
"I am happy to join the AAP because not only the people of Delhi but also the people around the world are talking about the governance model of the AAP," said Rani.
"People across the world are saying that the work done by the AAP has benefitted the people. The AAP will retain power in the city-state," said Rani, who was a general secretary of Delhi's Mahila Congress unit.