Section 2(1)(z) in The Orissa Electricity Reform (Transfer of Assets, Liabilities, Proceedings and Personnel of Gridco to Distribution Companies) Rules, 1998
(z)"Wesco" means the Western Electricity Supply Company of Orissa Limited a company incorporated under the Companies Act, 1956 with registration No. 15-05104/97-98;(zz)"Western Zone" means the existing electrical circles of Rourkela, Burla and Bolangir; and