Consider the following statements:
1. The Article 20 of the Constitution of India lays down that no person shall be deprived of his life and personal liberty except according to procedure established by law.
2. The Article 21 of the Constitution of India states that no person can be convicted for any offence except for the violation of law in force at the time of the commission of the act charged as an offence.
Which of these statements is/are correct?