About this stamp
A Landmark Indo-French Mission for Oceanographic Research
The SARAL (Satellite with ARGOS and ALTIKA) mission marks one of the most significant milestones in the long-standing space partnership between India and France, a collaboration that began in the early 1960s and has evolved into India’s oldest and closest scientific cooperation with a European nation.
Launched on 25 February 2013 aboard ISRO’s reliable PSLV launcher, the SARAL mission is a joint initiative of the Indian Space Research Organisation (ISRO) and the French National Space Agency (CNES) designed to conduct advanced oceanographic studies. The mission builds upon five decades of trust, technological exchange, and shared scientific goals between the two nations.
Mission Purpose and Scientific Objectives
SARAL is specially designed to perform precise altimetric measurements, enabling scientists to study:
- Ocean circulation patterns
- Sea surface height and elevation
- Wave heights and sea-state behaviour
- Seasonal and long-term climate variations
- Continental ice and coastal zone dynamics
These measurements are crucial for understanding global oceans—one of the major drivers of Earth’s climate system.
Payloads and Technology
The satellite carries three major payloads:
- ALTIKA – a high-precision Ka-band altimeter developed by CNES
- ARGOS-3 – a data-collection system also developed by CNES
- Imaging payload by ISRO – supporting the mission’s data needs
The satellite itself and its launch vehicle were manufactured and operated by ISRO, while CNES provided key scientific instrumentation and mission support.
Applications and Benefits
SARAL’s data products are invaluable to both operational and research communities across the world. The mission supports:
- Marine meteorology and sea-state forecasting
- Operational oceanography and fisheries management
- Climate monitoring and seasonal forecasting
- Environmental and biodiversity protection
- Continental ice studies and polar research
- Maritime safety and security
The information gathered has wide-ranging impact—from helping ships navigate safely to assisting scientists in understanding climate change and policymakers in developing sustainable environmental strategies.
A Symbol of Indo–French Scientific Cooperation
SARAL stands as a shining example of the deep scientific partnership between India and France. The mission reflects the shared commitment of both nations to harnessing space technology for the benefit of humanity—advancing ocean science, supporting climate research, and improving the livelihoods of millions who rely on marine ecosystems.
A Philatelic Tribute
The commemorative postage stamp celebrates 50 years of Indo-French space partnership—a journey marked by innovation, scientific excellence, and a shared dedication to exploring space for the benefit of humanity. This philatelic issue stands as a symbol of the enduring friendship between India and France and their collective endeavour to study, protect, and understand our planet.
