Forest Services
Introduction: Sixth Nilgiri-Class Frigate Joins Indian Navy Fleet
In May 2024, the Indian Navy commissioned the sixth Nilgiri-class frigate, INS Taragiri, marking a significant milestone in its fleet modernization. Constructed by Mazagon Dock Shipbuilders Limited (MDL), this frigate enhances the Navy’s operational strength to 16 frigates, consolidating India’s maritime security posture. The induction aligns with the Defence Acquisition Procedure (DAP) 2020 and national priorities under the Ministry of Defence (MoD), emphasizing indigenous warship construction and strategic autonomy.
UPSC Relevance
- GS Paper 2: Governance – Defence Procurement and Policy
- GS Paper 3: Security – Maritime Security and Defence Modernization
- Essay: India’s Strategic Autonomy and Indigenous Defence Production
Legal and Constitutional Framework Governing Naval Acquisitions
The Union Government’s authority over defence matters derives from Article 246(1) and Entry 2 of List I (Union List) of the Constitution, empowering it to legislate on naval forces. The Navy Act, 1957 establishes the Indian Navy’s legal framework, with Section 3 vesting command under the President of India. Procurement and acquisitions follow the Defence Acquisition Procedure 2020, which replaced the earlier Defence Procurement Procedure to streamline indigenous manufacturing and transparency.
- Article 246(1): Union’s legislative competence on defence
- Navy Act, 1957: Governs Navy’s organization and command
- Defence Acquisition Procedure 2020: Framework for procurement emphasizing Make in India
Economic Impact and Indigenous Defence Manufacturing
The Nilgiri-class frigate program is part of a ₹45,000 crore indigenous warship construction initiative under the Make in India policy, reflecting a strategic push to reduce dependency on imports. Indigenous content in these frigates exceeds 70%, a substantial increase from the 40% seen in earlier Talwar-class frigates, boosting domestic defence manufacturing and MSME participation. The shipbuilding sector contributes approximately ₹50,000 crore annually to the economy, growing at a 12% CAGR, and employs over 50,000 skilled workers directly.
- ₹45,000 crore allocated for indigenous warship construction (MoD Budget 2023-24)
- 72% indigenous content in Nilgiri-class vs. 40% in Talwar-class (MoD Report 2023)
- Shipbuilding sector’s ₹50,000 crore annual contribution with 12% CAGR (Ministry of Ports, Shipping and Waterways, 2023)
- Employment of 50,000+ skilled workers and $1 billion export potential by 2025
Key Institutions Involved in the Nilgiri-Class Frigate Program
The Indian Navy operates as the primary user and strategic planner for the fleet. The Ministry of Defence formulates policy and oversees procurement. Mazagon Dock Shipbuilders Limited (MDL) leads construction, integrating indigenous weapon and sensor systems developed by the Defence Research and Development Organisation (DRDO). The Directorate General of Naval Design (DGND) is responsible for warship design innovation. The Comptroller and Auditor General of India (CAG) audits defence expenditure and procurement processes to ensure accountability.
- Indian Navy: Operator and strategic planner
- Ministry of Defence: Policy and procurement authority
- Mazagon Dock Shipbuilders Limited: Lead shipbuilder
- DRDO: Indigenous weapon and sensor systems provider
- DGND: Warship design and innovation
- CAG: Audit and oversight of defence expenditure
Technological Features and Operational Capabilities
The Nilgiri-class frigates incorporate advanced stealth technology, reducing radar cross-section by 30%, enhancing survivability in hostile environments. Equipped with BrahMos supersonic cruise missiles with a 400 km range, these frigates significantly augment India’s strike capabilities. The class also integrates sophisticated indigenous electronic warfare and sensor systems, although critical components like advanced sonar remain partially imported, exposing supply chain vulnerabilities.
- 30% reduction in radar cross-section due to stealth design (Indian Navy Technical Report 2023)
- BrahMos missiles with 400 km range enhance offensive reach (DRDO Annual Report 2023)
- 72% indigenous content with ongoing reliance on imported sonar and EW systems
Comparative Analysis: Nilgiri-Class vs China’s Type 054A Frigates
| Parameter | Nilgiri-Class Frigate (India) | Type 054A Frigate (China) |
|---|---|---|
| Displacement | ~6,670 tons | ~4,000 tons |
| Range | 7,500 nautical miles | 8,000 nautical miles |
| Stealth Features | Advanced stealth reducing radar cross-section by 30% | Moderate stealth features |
| Missile System | BrahMos supersonic cruise missiles (400 km range) | YJ-83 anti-ship missiles (subsonic) |
| Indigenous Content | 72% | High indigenous content, but significant foreign tech dependence |
Strategic Significance and Way Forward
The induction of INS Taragiri consolidates India’s blue-water naval capabilities, enabling sustained operations across the Indian Ocean Region and beyond. It reflects a calibrated strategy to enhance strategic autonomy through indigenous manufacturing under DAP 2020. Addressing critical gaps in sonar and electronic warfare self-reliance remains imperative to reduce vulnerabilities. Continued investment in R&D and MSME integration will be essential to sustain momentum in naval modernization.
- Strengthens India’s maritime security and power projection
- Advances Make in India objectives in defence manufacturing
- Highlights need to indigenize critical sonar and EW systems
- Supports India’s strategic autonomy and regional influence
- They have an indigenous content exceeding 70%.
- They are equipped with YJ-83 anti-ship missiles.
- Their stealth technology reduces radar cross-section by approximately 30%.
Which of the above statements is/are correct?
- It replaced the Defence Procurement Procedure to enhance indigenous defence production.
- It mandates 100% indigenous content for all naval acquisitions.
- It is formulated under the authority granted by Article 246(1) of the Constitution.
Which of the above statements is/are correct?
Jharkhand & JPSC Relevance
- JPSC Paper: Paper 2 – Governance and Defence
- Jharkhand Angle: Jharkhand-based MSMEs contribute to defence manufacturing supply chains supporting naval projects.
- Mains Pointer: Emphasize the role of indigenous defence production in regional economic development and strategic autonomy.
What is the Defence Acquisition Procedure 2020?
The Defence Acquisition Procedure 2020 is a policy framework replacing the Defence Procurement Procedure to streamline defence acquisitions, emphasizing indigenous manufacturing, transparency, and faster procurement processes.
What are the key features of the Nilgiri-class frigates?
Nilgiri-class frigates have a displacement of approximately 6,670 tons, feature advanced stealth technology reducing radar cross-section by 30%, and are equipped with BrahMos supersonic cruise missiles with a 400 km range.
Which institution is responsible for designing the Nilgiri-class frigates?
The Directorate General of Naval Design (DGND) is responsible for the design and innovation of the Nilgiri-class frigates.
What is the indigenous content percentage in Nilgiri-class frigates?
The indigenous content in Nilgiri-class frigates stands at 72%, significantly higher than previous imported classes.
What are the critical gaps in India’s naval indigenous manufacturing?
Despite high indigenous content, India still depends on imported advanced sonar and electronic warfare systems, which exposes vulnerabilities in technology self-reliance.