Police said the accused -- identified as Firoz, Yogendra and Mohit (all natives of Hapur district), and Chotu alias Surendra of Bulandshahr -- were arrested from near Swaran Jayanti Puram following a tip-off.
Senior Superintendent of Police Deepak Kumar Singh said the arrested were part of an inter-state gang involved in stealing of high-voltage electricity transmission lines in NCR and Uttar Pradesh and that they used to target colonies under construction.
Aluminum wires worth Rs 70,000 were seized from them.