Ministry of Defence releases Manual of Security Instructions 2026

• Manual of Security Instructions 2026 is a comprehensive internal compendium of security guidelines of the Ministry of Defence (MoD), released on 09 March 2026 at South Block, New Delhi.
• Prepared by the Security Office of the MoD; designed to be periodically updated in response to the evolving threat landscape.
• Relevance for aspirants: small but high-yield Prelims hook (date, releasing authority); links to GS-III internal security, defence governance and security of strategic establishments.