At the same time, he said the party will explore taking a shot at power and talk about the numbers once invited by the Lt Governor.
After an hour-long meeting with senior leader and Home Minister Rajnath Singh, Upadhyay said BJP was confident of getting a "clear majority" if elections are held afresh in the national capital.
In the meeting, Upadhyay briefed Singh about party MLAs reluctance to go to polls again and conveyed to him that getting the required numbers to form a government will not be a major challenge.
BJP sources said there was no consensus in the party on whether it should form a government or not and a final decision on the issue has been left to Prime Minister Narendra Modi.
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They said a number of Central leaders as well as RSS were not in favour of forming a government by "managing the numbers" and indicated to the state leadership to get ready for elections.
"So far, we have not got any invite from the Lt Governor. If he invites us to form a government, then we will decide accordingly."
Asked how BJP will manage the numbers as it will require the support of five more MLAs to prove majority in the assembly, he only said the party will respond to the question if it gets an invite to government formation.
Those in favour of polls have argued that BJP had come first in 60 of the 70 assembly segments in the Lok Sabha polls and the party will emerge victorious as both Congress and Aam Aadmi Party were in "disarray".