Bhubanswar: Central Electricity Supply Utility (CESU) today began disconnecting power supply of defaulters. Power of at least 800 consumers have been disconnected by 2 pm while about Rs 3 crore arrear amount have been collected says CESU Spokesperson. 800 disconnections done since morning. Pending dues of Rs. 3 crores collected. Cesu collection counters to remain open till late evening beyond usual time says CESU officials.