GS3 › Internal Security in Depth

Revision note: Security Forces and Agencies, Media, Social Media and Radicalisation


  • Police/public order: State List; Art 355 duty of Union; defence/CAPF deployment: Union
  • CAPFs (MHA): CRPF 1939 (largest), BSF 1965, ITBP 1962, SSB 1963, CISF 1969 (Parliament since 2024), Assam Rifles 1835 (dual control), NSG 1984; Coast Guard 1978 under MoD
  • IB 1887 (MHA), R&AW 1968 (Cabinet Sectt), NTRO (NSA); no statutory charter or parliamentary oversight
  • CBI: DSPE Act 1946, needs state consent, "caged parrot" 2013, Director chosen by PM+LoP+CJI; NIA Act 2008: no consent needed
  • NSC 1998 (PM), NSA, CDS 2019
  • Prakash Singh 2006: 7 directives (SSC, DGP 2 years, PEB, PCA, separation etc.); BNS/BNSS/BSA from 1 July 2024; CCTNS/ICJS
  • Social media: s.69A; IT Rules 2021; Anuradha Bhasin 2020 (shutdowns proportionate/published); Puttaswamy 2017; Operation Pigeon (Kerala)
Revision card summarising Security Forces and Agencies, Media, Social Media and Radicalisation
One-page visual summary of the key points to revise.

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