Union Minister Rajnath Singh, BJP's central observer for election of the legislature party leader, is expected to arrive here on Monday and election is likely to take place the next day, a top BJP leader said here in an informal interaction with journalists.
Back channel talks were said to be on between BJP and estranged former ally Shiv Sena for forming a coalition government.
BJP, which has emerged as the single largest party in the 288-member Assembly with 122 seats, has already been offered outside support by 41-member NCP.
With its 63 MLAs, Shiv Sena is the second largest party in the House.
Meanwhile, Rashtriya Samaj Paksha leader Mahadev Jankar, whose party is a pre-poll ally of BJP and has one MLA, said his party is not in favour of any tie-up with NCP.
"We want the new government to come to power without the backing of NCP or Congress against whom BJP fought the poll and highlighted their corruption," Jankar said after meeting state BJP chief Devendra Fadnavis, a frontrunner for chief ministership.
Rajnath expected in Mumbai on Monday, back channel talks on
Home Minister Rajnath Singh is likely to go to Mumbai on Monday to discuss government formation in Maharashtra amid back channel talks between BJP and estranged ally Shiv Sena for a possible tie-up.
Singh will chair a meeting of the BJP Legislature Party which will elect its leader, who will be the Chief Minister.
Singh was appointed as an observer for Maharashtra after BJP emerged as the single largest party in the Assembly polls securing 122 seats out of a total of 288.
Sources said the BJP is in back channel talks with Shiv Sena over government formation and efforts are being made to settle the differences with its oldest ally with whom it snapped ties ahead of polls.
Prime Minister Narendra Modi has called a meeting of all NDA MPs at his residence tomorrow which Shiv Sena members will also attend.

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