The arrested, identified as Allaudin and Mukul, were nabbed when a flying squad of Paschimanchal Vidyut Vitran Nigam Limited raided the jhuggi cluster at Sector 9.
A PVNNL junior engineer has lodged a power theft report against the duo at the local police station.
Residents of Noida, Greater Noida and other areas in National Capital Region have been reeling under unscheduled power cuts.
