Shahzad, 'the mastermind', Mohsin, Usman, and Jai Bhagwan alias Soni, who runs a jewelry shop at Mussoorie town of Ghaziabad were arrested by the Kavi Nagar police here, SP (City) Shiv Hari Meena said.
The four have confessed to committing more than 100 thefts within a span of 11 months, he said, adding that they are drug addicts and used to consume pills before targeting locked houses.
During their interrogation they have confessed to have committed 10 major thefts in October in many posh localities of city, Meena said.