Indian Army Enhances CBRN Defence with ACADA Systems

February 27, 2025

The Indian Army has recently contracted 223 Automatic Chemical Agent Detection and Alarm (ACADA) systems from L&T Limited. This procurement, valued at ₹80.43 crore, is part of a broader initiative to modernise the army’s capabilities against chemical warfare threats. The ACADA systems are designed by the Defence Research and Development Organisation (DRDO) and will boost the army’s chemical, biological, radiological, and nuclear (CBRN) defence capabilities.

What is ACADA?

The ACADA system is an advanced detection apparatus for identifying chemical warfare agents (CWAs) and toxic industrial chemicals (TICs).
It samples air from the environment to detect harmful substances.
The system employs Ion Mobility Spectrometry (IMS) technology, which allows for high sensitivity and rapid detection.

Key Features of ACADA

ACADA features two IMS cells for continuous and simultaneous monitoring of toxic agents. It is portable and can be easily deployed in various environments. The system includes audio and visual alarms to alert personnel in case of detection. Additionally, it can be mounted on vehicles for enhanced mobility.

Indigenisation and Self-Reliance

The procurement falls under the Buy Indian (IDDM) category, promoting the government’s Atmanirbhar Bharat initiative. Over 80% of the components used in ACADA will be sourced locally. This move is expected to strengthen India’s defence manufacturing capabilities and reduce dependency on foreign technology.

Significance for Indian Army

The introduction of ACADA will enhance the Indian Army’s CBRN capabilities both during combat operations and in peacetime. It will also improve the army’s response to disaster situations, particularly those involving industrial accidents. The system’s rapid detection capability is crucial for timely interventions.

Training and Implementation

The Indian Army has established a CBRN training centre at the College of Military Engineering in Pune. This centre will facilitate training for personnel on the usage of ACADA systems. Effective training is essential for maximising the benefits of this advanced technology in the field.

Future Developments

The ACADA system is equipped with a pre-programmed chemical data library that can be updated as needed. This flexibility allows for ongoing improvements in detection capabilities. Future developments may include enhancements in the technology and integration with other defence systems for comprehensive monitoring.

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