Union Home Minister Amit Shah on Sunday said three new criminal laws brought by the Centre will prove to be the "biggest" reform witnessed by India in the 21st century. He also said after the complete implementation of these laws -- Bharatiya Nyaya Sanhita (BNS), Bharatiya Nagarik Suraksha Sanhita (BNSS) and Bharatiya Sakshya Adhiniyam (BSA) -- India will have the most modern and technology-equipped criminal justice system in the world. Shah was addressing a gathering after launching the e-evidence, Nyay Setu, Nyay Shruti and e-Summon apps for the three new criminal laws here. The BNS, the BNSS and the BSA, which came into effect on July 1, replaced the British-era Indian Penal Code (IPC), Code of Criminal Procedure (CrPC) and Indian Evidence Act respectively. Shah said Chandigarh will be the country's first administrative unit where 100 per cent implementation of the three laws will be done in the next two months. He said these new laws, through which the criminal justice system