Which of the following statements is/are correct regarding Article 20 (Protection in respect of conviction of offenses)? 1. No ex-post-facto law shall be enacted whether in civil or criminal matters. 2. Protection against self-incrimination covers protection against giving thumb impressions and blood specimens. 3. In case of corruption charges against a public servant, either the court or department should take action to avoid double jeopardy. Select the correct answer using the code given below.