Explain the acts against which there is no right of private defence as per Indian Penal Code (IPC 1860) Section 99: Acts against which there is no right of private defence and their relevant Bharatiya Nyaya Sanhita 2023 (BNS 2023) code reference.

{'IPC Section': '99', 'IPC Heading': 'Act against which there is no right of private defence', 'IPC Descriptions': ' Indian Penal Code, 1860 
99. Acts
against which there is no right of private defense
There is no right of
private defense against an act which does not reasonably cause the apprehension
of death or of grievous hurt, if done, or attempted to be done, by a public
servant acting in good faith under colour of his office, though that act, may
not be strictly justifiable by law.
There is no right of
private defense against an act which does not, reasonably cause the
apprehension of death or of grievous hurt, if done, or attempted to be done, by
the direction of a public servant acting in good faith under colour of his
office, though that direction may not be strictly justifiable by law
There is no right of
private defense in cases in which there is time to have recourse to the
protection of the public authorities.
Extent to which the
right may be exercised
The right of private
defense in no case extends to the inflicting. of more harm than it is necessary
to inflict for the purpose of defense.
Explanation 1    A person is not deprived of the right of private defense
against an act done, or attempted to be done, by a public servant, as such,
unless he knows or has reason to believe, that the person doing the act is such
public servant. 
Explanation 2  A person is not deprived of the right of private defense
against an act done, or attempted to be done, by the direction of a public
servant, unless he knows, or has reason to believe, that the person doing the
act is acting by such direction, or unless such person states the authority
under which he acts, or if he has authority in writing, unless he produces such
authority, if demanded.', 'BNS Section': '37', 'BNS Heading': 'Acts against which there is no right of private defence', 'BNS description': 'The Bharatiya Nyaya Sanhita, 2023
37. Acts against which there is no right of private defence.
(1) There is no right of private defence,
(a) against an act which does not reasonably cause the apprehension of death or of grievous hurt, if done, or attempted to be done, by a public servant acting in good faith under colour of his office, though that act, may not be strictly justifiable by law;
(b) against an act which does not reasonably cause the apprehension of death or of grievous hurt, if done, or attempted to be done, by the direction of a public servant acting in good faith under colour of his office, though that direction may not be strictly justifiable by law;
(c) in cases in which there is time to have recourse to the protection of the public authorities.
(2) The right of private defence in no case extends to the inflicting of more harm than it is necessary to inflict for the purpose of defence.
Explanation 1.A person is not deprived of the right of private defence against an act done, or attempted to be done, by a public servant, as such, unless he knows or has reason to believe, that the person doing the act is such public servant.
Explanation 2.A person is not deprived of the right of private defence against an act done, or attempted to be done, by the direction of a public servant, unless he knows, or has reason to believe, that the person doing the act is acting by such direction, or unless such person states the authority under which he acts, or if he has authority in writing, unless he produces such authority, if demanded.'}