Page:The Constitution of India (Original Calligraphed and Illuminated Version).djvu/25

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undermines the security of, or tends to overthrow, the State.
(3) Nothing in sub-clause (b) of the said clause shall affect the operation of any existing law in so far as it imposes, or prevent the State from making any law imposing, in the interests of public order, reasonable restrictions on the exercise of the right conferred by the said sub-clause.
(4) Nothing in sub-clause (c) of the said clause shall affect the operation of any existing law in so far as it imposes, or prevent the State from making any law imposing, in the interests of public order or morality, reasonable restrictions on the exercise of the right conferred by the said sub-clause.
(5) Nothing in sub-clauses (d), (e) and (f) of the said clause shall affect the operation of any existing law in so far as it imposes, or prevent the State from making any law imposing, reasonable restrictions on the exercise of any of the rights conferred by the said sub-clauses either in the interests of the general public or for the protection of the interests of any Scheduled Tribe.
(6) Nothing in sub-clause (g) of the said clause shall affect the operation of any existing law in so far as it imposes, or prevent the State from making any law imposing, in the interests of the general public, reasonable restrictions on the exercise of the right conferred by the said sub-clause, and, in particular, nothing in the said sub-clause shall affect the operation of any existing law in so far as it prescribes or empowers any authority to prescribe, or prevent the State from making any law prescribing or empowering any authority to prescribe, the professional or technical qualifications necessary for practising any profession or carrying on any occupation, trade or business.

20. (1) No person shall be convicted of any offence except for violation of a law in force at the time of the commission of the act charged as an offence, nor be subjected to a penalty greater than that which might have been inflicted under the law in force at the time of the commission of the offence.
(2) No person shall be prosecuted and punished for the same offence more than once.

Protection in respect of conviction for offences.