Ranveer Singh and Vineet were arrested from Vijaynagar area and a car, four stolen motorcycles and a countrymade pistol were seized from their possession, a senior police official said.
Meanwhile, Amarpal and Nenhe were held from Indirapuram area, police said, adding four stolen bikes were recovered from them.
"Amarpal and Nenhe used to steal cars, bikes from Ghaziabad, Noida, Delhi and sell them in other areas," SHO, Upender Yadav, said.