Section 106(1) in The States Reorganisation Act, 1956
(1)The State Electricity Board constituted under the Electricity (Supply) Act, 1948 (54 of 1948), for any of the existing States of Bombay, Madhya Pradesh and Saurashtra shall as from the appointed day continue to function in those areas in respect of which it was functioning immediately before that day, subject to the provisions of this section and to such directions as may from time to time be issued by the Central Government.