He joined NCP in the presence of senior leader and deputy Chief Minister Ajit Pawar here.
Narvekar, son-in-law of senior NCP leader Ramraje Naik Nimbalkar, was the spokesman of Youth Wing of Shiv Sena, which is headed by party president Uddhav Thackeray's son Aditya.
The Sena leader was apparently sulking over the withdrawal of his nomination and had recently met NCP chief Sharad Pawar.
His withdrawal from the fray had paved the way for nine candidates getting elected to the Legislative Council unopposed.
Gajanan Babar, the sitting MP from Maval, recently quit Shiv Sena after being denied the ticket.
