law: 16. Revocation, alteration, etc., of nominated representative by Board.-
  The Board, on an application made to it by the person with mental illness, or by a relative of such person, or by the psychiatrist responsible for the care of such person, or by the medical officer in-charge of the mental health establishment where the individual is admitted or proposed to be admitted, may revoke, alter or modify the order made under clause (e) of sub-section (4) of section 14 or under sub-section (2) of section 15.