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A Rajarajan Biography: Age, Career, Family and More

F4U Editorial Desk • Updated September 15, 2026 • 6 min read

Quick Info

BirthplaceIndia

ProfessionScientist

NationalityIndian

A Rajarajan Biography

A Rajarajan is an Indian scientist and director of the Satish Dhawan Space Centre (SDSC SHAR) at Sriharikota. A composites specialist with a BE in机械工程, he’

Early life and background

Arumugham Rajarajan is an Indian scientist whose professional training includes a BE in mechanical engineering. Public records list his birthplace as India and identify him as an Indian national. Physical details noted in available profiles describe him as approximately 178 cm (5'10") tall, with black eyes and salt-and-pepper hair.

Career

Rajarajan has spent his career within India’s space establishment, advancing from technical roles into senior leadership. Early work at the Satish Dhawan Space Centre and with the Vikram Sarabhai Space Centre’s Fiber Reinforced Plastic division grounded him in composite materials and their application to space systems. Over time he contributed to the development of a wide range of composite products, including solar panel substrates, various antenna designs, large ogive payload fairings, and intertank structures used on launch vehicles.

Recognized as a leading expert in composites, he authored multiple national and international papers on composite materials and frequently presents invited and plenary talks on technological applications of composites at conferences.

Rajarajan’s leadership roles have spanned several VSSC entities. He served as deputy director of the Propulsion and Space Ordinance Entity (PRSO) following a 2017 payload fairing separation issue on the PSLV C39 mission. In that capacity he led reviews and process improvements focused on ordnance production, analytical techniques, and the design and validation of a more reliable pyrotechnic separation configuration for payload fairings. His work in these roles emphasized optimization of production procedures and validation in subsequent launches.

He also took charge of other organizational units, including the Aero Space Ordnance Entity (ASOE), Composites Entity (CMSE), and Structures Entity (STR), guiding development of composite technologies applicable to both satellites and launch-vehicle subsystems.

In July 2019 Rajarajan was promoted to director of the Satish Dhawan Space Centre (SDSC SHAR) at Sriharikota. As director, he oversees solid motor production and the enhancement of launch-complex infrastructure to accommodate a broadening manifest of missions, from human spaceflight efforts such as the Gaganyaan programme to small-satellite launch activities with the Small Satellite Launch Vehicle (SSLV). Under his direction, SDSC has progressed in setting up facilities for solid motor manufacturing and launch-vehicle integration, streamlining the sequence from production through launch.

He has also engaged industry partners to strengthen collaboration with ISRO in developing key technologies.

Contributions to Indian planetary missions

Across his career Rajarajan has contributed to several significant Indian planetary missions. He played technical roles in Chandrayaan-1 and Chandrayaan-2, and was named among the core group of ISRO scientists involved in the successful Chandrayaan-3 mission in 2023.

Awards and recognition

His work has been recognized within ISRO; he is a recipient of multiple ISRO team awards and a merit award earned over the course of his career.

Public profile

Rajarajan is visible in the professional community as an expert on composites. He maintains a LinkedIn presence under the name Rajarajan Arumugham and is frequently invited to speak at professional gatherings. Publicly available profiles provide basic personal and professional details but do not list his exact age or marital status.

Latest updates

As of his appointment in July 2019 and subsequent involvement in ISRO missions through 2023, Rajarajan continues to direct activities at SDSC SHAR, concentrating on solid motor production capacity, launch-vehicle integration, and supporting the expanding range of ISRO missions.
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Recent Work

Director, Satish Dhawan Space Centre (SDSC SHAR)

Leads SDSC SHAR operations including solid motor production and launch complex infrastructure; oversaw facility configuration for motor production and vehicle integration since promotion in July 2019.

2019–present
Key contributor to Chandrayaan-3 mission

Named among the core ISRO scientists who played a major role in the 2023 Chandrayaan-3 mission.

2023
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Career Highlights

  1. Director of Satish Dhawan Space Centre (SDSC SHAR), Sriharikota (from July 2019)
  2. Deputy director of the Propulsion and Space Ordinance Entity (PRSO); led ordnance and payload fairing separation reliability improvements
  3. Specialist in composite materials; developed composite products for satellites and launch vehicles
  4. Contributor to Chandrayaan-1, Chandrayaan-2 and Chandrayaan-3 missions
  5. Recipient of multiple ISRO team excellence awards and an ISRO merit award
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Frequently Asked Questions

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Scientist