Four thieves -- Amrit, Kunal, Shyam and Rampreet -- were arrested at Noida Sector-20 yesterday, they said.
The arrested confessed to have committed several thefts in Noida and surrounding areas.
In a separate case, the Bisrakh police arrested two auto thieves and recovered a truck from them last night.
The arrested, identified as Bittoo and Ajit, confessed to have committed several thefts in the area.
They had stolen the truck from Kheda Chauganpur crossing.