Indian Army signs contract with L&T for 223 indigenous ACADA chemical agent detection systems
The Indian Army signed a contract with Larsen & Toubro on 25 February 2025 for 223 Automatic Chemical Agent Detection and Alarm (ACADA) systems at ₹80.43 crore, under the Buy (Indian-IDDM) category.
Summary
On 25 February 2025 the Indian Army signed a contract with M/s L&T Ltd for procurement of 223 Automatic Chemical Agent Detection and Alarm (ACADA) systems at a cost of ₹80.43 crore under the Buy (Indian-IDDM) category, with more than 80% of components sourced locally. ACADA was designed and developed by DRDO's Defence Research and Development Establishment (DRDE), Gwalior. It detects chemical warfare agents and toxic industrial chemicals by sampling air, working on the principle of Ion Mobility Spectrometry with two highly sensitive IMS cells, and will strengthen the Army's chemical, biological, radiological and nuclear (CBRN) defence, including for industrial-accident disaster relief.
Key facts
- Date
- 25 February 2025
- Supplier
- Larsen & Toubro
- Quantity and cost
- 223 systems, ₹80.43 crore
- Category
- Buy (Indian-IDDM)
- Developer
- DRDE, Gwalior (DRDO)
- Principle
- Ion Mobility Spectrometry
Practice MCQs 3 questions
How many Automatic Chemical Agent Detection and Alarm (ACADA) systems did the Indian Army contract from L&T on 25 February 2025?
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Correct answer: A — 223
The Army signed a contract for 223 ACADA systems with L&T at a cost of ₹80.43 crore.
Which DRDO laboratory designed and developed the ACADA system procured by the Army in February 2025?
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Correct answer: D — Defence Research and Development Establishment, Gwalior
ACADA was designed and developed by DRDO's Defence Research and Development Establishment, Gwalior.
The ACADA system detects chemical warfare agents and toxic industrial chemicals using which principle?
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Correct answer: A — Ion Mobility Spectrometry
ACADA works on the principle of Ion Mobility Spectrometry and has two highly sensitive IMS cells for continuous detection.