In any of the following circumstances, the departmental investigation shall not be required to be held by the authority empowered to order punishment in respect of imposition of the following departmental punishment to any civil employee:
(a) To impose ordinary punishment pursuant to Clause (a) of Section 59 of the Act.
(b) To impose departmental punishment to any civil employee who has gone away and whose whereabouts are not known or it is impossible to make contact with him or her for any other reason.
(c) To impose departmental punishment to any civil employee on the basis of conviction made by the court for a criminal offence involving moral turpitude.
(d) To impose departmental punishment to any civil employee convicted by the court of the offence of corruption.