Justice Satyendra Singh Chauhan, from the lucknow bench of the Allahabad High Court, was on Friday appointed as the Chairperson of the Delhi Electricity Regulatory Commission (DERC), an official said. He has been appointed by lt Governor Anil Baijal, according to a letter issued by Delhi’s Special Secretary, Power. Chauhan, a lucknow University law graduate, will retire from the bench on July 4.