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HQ IDS Silver Jubilee: 25 years of jointness, marked as Tri-Service Day

1 October 20261 min read
DEFENCE & SECURITYHQ IDS Silver Jubilee:25 years ofjointness, marked asTri-Service Day1 October 2026safalsetu.com

Why in the news

Headquarters Integrated Defence Staff (HQ IDS) completed 25 years on 1 October 2026. The Silver Jubilee was celebrated in New Delhi and observed as Tri-Service Day.

Key facts

  • Raising date: HQ IDS was set up in New Delhi on 1 October 2001 to promote jointness, integration and synergy among the Army, Navy and Air Force.
  • Dignitaries: Chief of Defence Staff and Secretary, Department of Military Affairs, General N.S. Raja Subramani, and Chief of Integrated Defence Staff to the Chairman, Chiefs of Staff Committee (CISC), Air Marshal Tejinder Singh.
  • Trishakti Manthan: a deliberation session held on the theme of future readiness through jointness and integration.
  • Releases: a Silver Jubilee book tracing the evolution of HQ IDS and a film on its milestones.
  • CDS Unit Citations were given to personnel for advancing jointness and integration.
  • A wreath-laying ceremony was held at the National War Memorial.

About HQ IDS

HQ IDS was created after the 1999 Kargil conflict, following the Kargil Review Committee (chaired by K. Subrahmanyam) and the 2001 Group of Ministers report on reforming the national security system. It brought together the Defence Planning Staff and the Military Wing. It is headed by the CISC, who reports to the Chief of Defence Staff, a post created in December 2019. Over 25 years, HQ IDS has worked on joint doctrines, training, integrated exercises and disaster relief coordination, and on new domains such as cyber, space and artificial intelligence.

General N.S. Raja Subramani took charge as India’s third CDS on 31 May 2026, succeeding General Anil Chauhan.

Exam angle

  • HQ IDS raising day: 1 October 2001, New Delhi.
  • Head of HQ IDS: CISC (currently Air Marshal Tejinder Singh).
  • Current CDS: General N.S. Raja Subramani (third CDS).
  • CDS post created in December 2019.

Test yourself

1. On which date was Headquarters Integrated Defence Staff (HQ IDS) raised?

HQ IDS was raised in New Delhi on 1 October 2001; its Silver Jubilee fell on 1 October 2026.

2. Who was the Chief of Integrated Defence Staff (CISC) at the HQ IDS Silver Jubilee in 2026?

Air Marshal Tejinder Singh, CISC, attended the Silver Jubilee celebrations on 1 October 2026.

3. The HQ IDS Silver Jubilee on 1 October 2026 was observed as which day?

The 25th anniversary of HQ IDS was observed as Tri-Service Day.

Sources: PIB, Revoi.in, SSBCrack, Wikipedia - N. S. Raja Subramani, Wikipedia - Integrated Defence Staff