1. Lalita Kumari v. State of UP (2014) – Mandatory FIR Registration
• Police must register FIR if information shows a cognizable offence.
• Preliminary inquiry allowed only in limited categories.
2. Bhajan Lal v. State of Haryana (1992) – FIR Quashing Test
• Court laid down 7 situations where FIR can be quashed.
3. Arnesh Kumar v. State of Bihar (2014) – No Automatic Arrest
• Police must follow arrest checklist under Section 35.
4. D.K. Basu v. State of West Bengal (1997) – Arrest Guidelines
• Arrest memo, medical check-up & family intimation mandatory.
5. Maneka Gandhi v. Union of India (1978) – Article 21 Expanded
• Law must be fair, just & reasonable; widened personal liberty rights.
6. State of UP v. Rajesh Gautam (2003) – Bail Principles
• Bail depends on nature of accusation, seriousness & misuse risk.
7. Bhajan Lal (Reaffirmed) – Mala Fide FIR
• FIR filed for ulterior motive can be quashed.
8. Kartar Singh v. State of Punjab (1994) – Rights in Custody
• Accused has right to lawyer, medical care & humane treatment.
9. Niranjan Singh v. Prabhakar (1980) – Concept of Bail
• Bail = release from custody but still under court’s control.
10. Ratan Lal v. State of Delhi (1976) – FIR Need Not Be Detailed
• FIR is not an encyclopedia; only basic facts needed.