New Delhi, Jan 14 (ANI): AAP Chief Arvind Kejriwal on Wednesday alleged that there is a nexus between Delhi BJP Chief Satish Upadhyay and power companies. Kejriwal said that Upadhyay should explain his relationship with the Delhi power discoms and demanded the BJP leader to come clean on their ties with power suppliers in the national capital. Addressing a press conference, Kejriwal said that BJP's Delhi unit Chief Satish Upadhyay owns companies which installed and replaced electricity meters in Delhi and that is the reason why the meters run so fast leading to rise in power bills for the residents. He also questioned BJP on why did the p arty obstruct audit of electricity companies ordered by AAP during its governance in Delhi. The voting for Delhi assembly polls will take place on February 7.