Consider the following statements with regard to protection in respect of conviction for offences: 1. In the case of Sampath Kumar v. Enforcement Directorate, Madras, it was held that it is unconstitutional to give a caution to speak the truth. 2. No person shall be prosecuted and punished for the same offence more than once. 3. No person accused of any offence shall be compelled to be a witness against himself. 4. Criminal law in India can be enacted retrospectively. Which of the statements given above is/are correct?

Answer: Option C