The new criminal laws (Bharatiya Nyaya Sanhita, Bharatiya Nagarik Suraksha Sanhita, Bharatiya Sakshya Adhiniyam) replacing IPC, CrPC, and Evidence Act came into effect on ______, requiring massive training of police, prosecutors, and judges.

New criminal laws implementation: (a) Enacted: December 2023, (b) Effective date: July 1, 2024, (c) Key changes: BNS adds new offences (mob lynching, terrorist acts), modifies definitions; BNSS introduces zero FIR, electronic evidence, time-bound investigation; BSA recognizes electronic records as primary evidence, (d) Implementation challenges: Training 20+ lakh police, prosecutors, judges; updating infrastructure (e-courts, digital evidence handling); transitional issues for pending cases. Illustrates complexity of legal system reform; success depends on capacity building, not just legislative change.