Defence Secretary Rajesh Kumar Singh Granted One-Year Extension Till October 2027
The Appointments Committee of the Cabinet has approved a one-year tenure extension for Defence Secretary Rajesh Kumar Singh, extending his service until 31 October 2027. A 1989-batch IAS officer of the Kerala cadre, Singh also holds additional charge as Chairman of the Defence Research and Development Organisation.
What happened
The Appointments Committee of the Cabinet (ACC) has approved a one-year tenure extension for Union Defence Secretary Rajesh Kumar Singh. The formal notification was cleared by the Department of Personnel and Training (DoPT) on 24 October 2026. Under the approved order, his service as Secretary, Department of Defence, under the Ministry of Defence has been extended beyond 31 October 2026 up to 31 October 2027 or until further orders, whichever is earlier.
The tenure extension was granted under a relaxation of the provisions of Fundamental Rule 56(d) and Rule 16(1A) of the All India Services (Death-cum-Retirement Benefits) Rules, 1958. Rajesh Kumar Singh, a 1989-batch Indian Administrative Service (IAS) officer of the Kerala cadre, took charge as the 40th Defence Secretary of India on 1 November 2024 at South Block, New Delhi. Before assuming the top administrative post, he had served as Officer on Special Duty (OSD) and Defence Secretary-designate starting 20 August 2024, taking over after the superannuation of Giridhar Aramane on 31 October 2024.
In addition to his responsibilities in the Department of Defence, Singh has held additional charge as Secretary of the Department of Defence Research and Development and Chairman of the Defence Research and Development Organisation (DRDO) since 31 May 2026, succeeding Samir V. Kamat. Prior to his posting in the Ministry of Defence, Singh served in several key Union roles, including Secretary of the Department for Promotion of Industry and Internal Trade (DPIIT) and Secretary of the Department of Animal Husbandry and Dairying.
Important dates
| Appointed OSD and Defence Secretary-designate | 20 August 2024 |
|---|---|
| Superannuation of predecessor Giridhar Aramane | 31 October 2024 |
| Assumed charge as 40th Defence Secretary | 1 November 2024 |
| Assumed additional charge as DRDO Chairman | 31 May 2026 |
| ACC cleared one-year extension order | 24 October 2026 |
| Extended tenure conclusion date | 31 October 2027 |
📌 Static GK links
- Appointments Committee of the Cabinet (ACC): Responsible for appointments to top civil service and public enterprise posts in the Government of India, including Secretaries to Union Ministries.
- Department of Defence: One of the core departments under the Ministry of Defence, functioning under the administrative leadership of the Defence Secretary.
- Service Extension Rules: Fundamental Rule 56(d) governs the retirement age of central government servants and outlines exceptions for service extensions granted in public interest.
- Defence Research and Development Organisation (DRDO): Operates under the Department of Defence Research and Development within the Union Ministry of Defence.
What candidates should do
- Memorise the names of current Union Secretaries (Cabinet Secretary, Defence Secretary, Home Secretary, and Finance Secretary) for current affairs questions.
- Note the administrative process behind senior bureaucratic appointments, particularly the role and authority of the Appointments Committee of the Cabinet (ACC).
PrepZen analysis
Senior bureaucratic appointments and tenure extensions are regular components of the General Awareness and Current Affairs syllabi across SSC CGL, Banking (IBPS, SBI, RBI), and State PSC exams. Questions often focus on the name of the official, the ministry involved, their administrative cadre, or their predecessor.
For UPSC Civil Services and State Public Service Commission aspirants, this item links directly to GS Paper II (Governance and Civil Services in a Democracy). Candidates should understand the legal framework under which central secretaries receive service extensions beyond standard superannuation ages, specifically Fundamental Rule 56(d) and the All India Services (Death-cum-Retirement Benefits) Rules, 1958.
Practice questions
Q1. The Appointments Committee of the Cabinet has approved a one-year tenure extension for Defence Secretary Rajesh Kumar Singh till October 2027. Which IAS cadre does he belong to?
Q2. Under which of the following statutory provisions was the tenure extension of Defence Secretary Rajesh Kumar Singh approved?
Q3. Rajesh Kumar Singh assumed additional charge as Chairman of which organisation on 31 May 2026?
Appointments Committee of the Cabinet approved the one-year extension.
Singh serves as Secretary of the Department of Defence under Defence Ministry.
🎯 Key Point: Defence Secretary Rajesh Kumar Singh tenure extended to October 2027.
FAQs
Until when has Defence Secretary Rajesh Kumar Singh's tenure been extended?
His tenure has been extended by one year up to 31 October 2027 or until further official orders, whichever is earlier.
Which authority cleared the tenure extension of Rajesh Kumar Singh?
The extension was cleared by the Appointments Committee of the Cabinet (ACC) through an order issued by the Department of Personnel and Training (DoPT) on 24 October 2026.
Who was Rajesh Kumar Singh's immediate predecessor as Defence Secretary?
He succeeded Giridhar Aramane, a 1988-batch IAS officer of the Andhra Pradesh cadre, who superannuated on 31 October 2024.
What additional responsibilities does Rajesh Kumar Singh hold in the defence establishment?
Since 31 May 2026, he has held additional charge as Secretary of the Department of Defence R&D and Chairman of the Defence Research and Development Organisation (DRDO).
Sources and references
- economictimes.com (economictimes.indiatimes.com)
- apacnewsnetwork.com (apacnewsnetwork.com)
- swarajyamag.com (swarajyamag.com)
- theprint.in (theprint.in)
Prepared by PrepZen for exam preparation. Consult the linked sources for original announcements and current details. Corrections policy. Spotted an error? Write to prepzen.app@gmail.com.
Practice Quiz — 28 October 2026
Q1. Who has been assigned the additional charge as the Director General of the Indo-Tibetan Border Police (ITBP) in October 2026?
Q2. Whom did Anup Bagchi succeed to take charge as the MD & CEO of HDFC Bank?
Q3. Until which date has the tenure of Defence Secretary Rajesh Kumar Singh been extended?
Q4. In Bihar's newly launched 100-point Performance Assessment Index for banks, which bank secured the top spot, and what score places a bank in the 'Red Zone'?
Q5. Which country contributed the name 'Arnab' for the cyclone that made landfall in Andhra Pradesh?
Keep Learning with PrepZen
Get daily current affairs, live mock tests, mistake bank, vocab builder & more — all free on your phone.