Step 1: Understanding the Concept:
The question asks to identify the specific amendment act that introduced the concept of Plea Bargaining into the Indian criminal justice system.
Step 2: Detailed Explanation:
Based on the recommendations of the Malimath Committee on Reforms of the Criminal Justice System, the concept of Plea Bargaining was introduced in India to reduce the pendency of cases and provide a quicker resolution for certain offences.
A new chapter, Chapter XXI-A, titled "Plea Bargaining," was inserted into the Code of Criminal Procedure, 1973. This was done by The Criminal Law (Amendment) Act, 2005. The provisions came into force on 5th July 2006. This chapter (Sections 265-A to 265-L) lays down the detailed procedure for an accused to apply for plea bargaining in cases involving certain specified offences.
Step 3: Final Answer:
The Chapter on Plea Bargaining was inserted by The Criminal Law (Amendment) Act, 2005.