PM Narendra Modi on Tuesday dedicated to the nation the successful implementation of the three new criminal laws here. These laws -- Bharatiya Nyaya Sanhita, Bharatiya Nagarik Suraksha Sanhita and Bharatiya Sakshya Adhiniyam -- came into effect on July 1, replacing the British-era Indian Penal Code, Code of Criminal Procedure and the Indian Evidence Act, respectively.