law: 74. Amendment of Act 37 of 1956. -
  On and from the appointed day, in the States Reorganisation Act, 1956,-
  (a) for clause (c) of section 15, the following clause shall be substituted, namely:-
  "(c) the Eastern Zone, comprising the States of Bihar, West Bengal and Orissa;";
  (b) in sub-section (1) of section 16, clause (d) shall be omitted.