law: The Coal Mines Provident Fund and Miscellaneous Provisions Act, 1948
  7. Modification of a scheme.-
  The Central Government may, by notification in the Official Gazette, add to, amend or vary, 5[either prospectively or retrospectively] a scheme framed under this Act.
  5. Ins. by Act 99 of 1976, s. 9 (w.e.f. 1-8-1976).