Modi will be the face of BJP's campaign in the city and the party feels the rally will help it build a momentum for the election.
BJP has been out of power in Delhi for the past 16 years and its Delhi chief Satish Upadhyay said the party was confident of winning the polls with a clear majority this time with the help of Modi's charisma.
BJP has made a sitting arrangement of around 60,000 people at the venue, even as it has claimed that over one lakh people will be attending the rally.
"We are very confident that Delhiites will get a stable government by BJP after the polls. The rally will help in building the momentum for the party's victory," BJP's national vice president in-charge of Delhi Prabhat Jha said.
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Asked if Modi will announce a full statehood for Delhi in tomorrow's rally, Jha said, "We have already said in our manifesto that if BJP comes to power, we will make Delhi a full state. Let us first come to power, we will definitely work on it."
"We are very sure that BJP will definitely get the support of people in the upcoming Assembly polls as we got in Lok Sabha polls. The focus of this rally will only be development," Upadhyay said.