• Indian Penal Code (IPC): The IPC, enacted in 1860, is one of the most important criminal laws in India. It defines offenses such as theft, assault, murder, and others, specifying punishments for each crime. It also lays out general principles of criminal liability.

• Criminal Procedure Code (CrPC): This code governs the procedural aspects of criminal law, such as the investigation, arrest, trial, and appeal processes. It provides the legal framework for the functioning of criminal courts.

If your reference pertains to a different jurisdiction or a more specific set of laws, please clarify.

Possible Meanings of BNSS, BNS, and BSA:

1. BNSS: This could refer to an acronym for a specific legal term, statute, or organization. It's possible it stands for "Bail, Non-Bailable Sections," or some other criminal law-related term. It may also refer to specific laws or guidelines used in particular jurisdictions.

2. BNS: Similarly, this could stand for a term like "Bail No-Surveillance" or another procedural term relating to criminal cases.

3. BSA: Could possibly refer to "Bail, Security Assurance," or another specific legal concept related to criminal law enforcement or court procedures.

These acronyms might also refer to particular sections, organizations, or criminal justice frameworks unique to your region.

Conclusion

For an accurate short note, I would need more context about the region or the full form of the acronyms (BNSS, BNS, BSA). However, in general terms, criminal major acts define and address various criminal offenses, legal procedures, and penalties, and these acronyms likely pertain to specific provisions within such a framework.