"We can contest alone, but in alliance we can win 300 seats," he said.
Uttar Pradesh Assembly has 403 seats.
Akhilesh, however, said the decision on cobbling together a coalition was not that easy.
"Netaji (Mulayam Singh Yadav) is an experienced leader. He will the right decision...," he said.
On his meeting with Prashant Kishore, Akhilesh said, "He had sought appointment from me. I gave him time so that no one can say I did not meet him. The meeting was good."
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Yadav's younger brother and his party's UP unit chief Shivpal Yadav, a keen votary of the alliance, was also part of the confabulations held at the residence of Mulayam.
RJD chief Lalu Prasad was also in the national capital.
In a show of solidarity, all these leaders besides JD(S) chief and former Prime Minister H D Deve Gowda had come together for the SP's silver jubilee celebrations here on November 5 after Shivpal Yadav gave a call for unity among erstwhile Janata Dal leaders.