(1) Save as provided in sub-rule (3), no Government Servant shall, except with the previous sanction of the Prescribed Authority, give evidence in connection with any enquiry conducted by any person, committee or authority.
(2) Where any sanction has been accorded under sub-rule (1), no Government Servant giving such evidence shall criticize the policy or any action of the Government, the Central Government or of any other State Government.
(3) Nothing in this rule shall apply to.-
(a) evidence given to an enquiry before an authority appointed by the State Government, the Central Government, Parliament or a State Legislature; or
(b) evidence given in any judicial enquiry; or 11
(c) evidence given at any departmental enquiry ordered by authority subordinate to the Government or the Central Government or any other State Government.
(4) No Government servant who has given evidence referred in sub-rule (3), shall give publicity to such evidence.