five or more persons likely to cause a disturbance of the public peace, after such assembly has been lawfully commanded to disperse, shall be punished with imprisonment of either description for a term which may extend to six months or with fine, or with both. Explanation: If the assembly is an unlawful assembly within the meaning ,of Section 141, the offender will be punished under Section 145. 152. Assaulting to obstructing public servant when suppressing riot, etc.: Whoever assaults or threatens to assault, or obstructs or attempts to obstruct a public servant in the discharge of his duty as such public servant, in endeavouring to disperse an unlawful assembly, or to suppress a riot or affray, or uses, or threatens, or attempts to use criminal force to such public servant, shall be punished with imprisonment of either description for a term which may extend to three years or with fine, or with both. 153. Wantonly giving provocation with intent to cause riot-if rioting be committed; if not committed: Whoever malignantly, or wantonly, by doing anything which is illegal, lives provocation to any person intending or knowing it to be likely that such provocation will cause the offence of rioting be committed, shall, if the offence of rioting be committed in consequence of such provocation, be punished with imprisonment of either description for a term which may extend to one year, or with fine, or with both; and if the offence if rioting be not committed, with imprisonment of either description for a term which may extend to six months, or with fine, or with both. [153-A. Promoting enmity between different groups, etc.: Whoever, (a) by words, either spoken or written, or by signs, or by visible representations or otherwise, promotes or incites, or attempts to promote or incite, on grounds of religion, race, place of both, residence. language, caste or community or any other ground whatsoever, disharmony or feelings of enmity, hatred or ill-will between different religious, racial, language or regional groups or castes or communities; or (b) commits, or incites any other person to commit, any act which is prejudicial to the maintenance of harmony between different religious, racial, language or regional groups or castes or communities or any group of persons identifiable as such on any ground whatsoever and which disturbs or is likely to disturb public tranquillity; or (c) organizes, or incites any other person to organize, and exercise, movement, drill or other similar activity intending that the participants in any such activity shall use or be trained to use criminal force or violence or knowing it to be likely that the participants in any such activity will use or be trained to use criminal force or violence or participates, or incites any other person to participate, in any such activity intending to use or be trained to use criminal force or violence or knowing it to be likely that the participants in any such activity will use or be trained, to use criminal force or violence, against any religious, racial, language .or regional group or caste of community or any group of persons identifiable as such on any ground .whatsoever and any such activity for any reason