Section 1(3)(b) in Bihar Electricity Grid Code, 2010
(b)to discharge all functions of planning and coordination relating to Intra-State Transmission System with(i)Central Transmission Utility;(ii)State Governments;(iii)Generating Companies;(iv)Regional Power Committee;(v)Authority;(vi)Licensees;(vii)Any other person notified by the State Government in this behalf