The incident took place around 6.15 am near Mulla Baug bus depot here, he said.
The victim, Sachin Kakodkar, was driving his car from a housing society here towards Ghodbunder Road when the vehicle accidentally fell into the pit dug for laying a drainage pipeline, Thane's regional disaster management cell chief Santosh Kadam said.
A civic rescue team rushed to the spot and pulled out the car from the pit, he said.
Kakodkar was taken out of the car rushed to a private hospital where doctors declared him dead, he said.
The drainage work was being carried out by a private contractor, he added.
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