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​At sea: On the Indian Navy’s Project 17A

06 May 2026
2 min

The Indian Navy's Project 17A

The Indian Navy’s Project 17A is a significant initiative aimed at building seven ‘Nilgiri’-class frigates with comprehensive capabilities.

Key Features

  • Budget: ₹45,000 crore.
  • Capabilities: Anti-air, anti-surface, and anti-submarine.
  • Relation: Serves as an advanced complement to the ‘Shivalik’ frigates, and a precursor to Project 17B.

Progress and Challenges

  • Delivery: INS Mahendragiri was delivered on April 30, marking six completions in 17 months.
  • Delays: Faced multiple delays due to hundreds of design changes and missing critical components like engines and sensors.
  • CAG Report: Identified that platforms are inducted without necessary supporting infrastructure.

Indigenous vs. Imported Components

  • Indigenous Content: 75% by value, yet critical parts sourced from abroad.
  • Impact: Lack of local manufacturing of key components affects final integration and timelines.

Strategic Context

  • Importance: Indian Ocean is crucial for energy imports and monitoring Chinese naval activities.
  • Infrastructure: Chain of Static Sensors and naval platforms enhance detection and response capabilities.
  • Limitations: Frigates' radars and sonars are mostly imported, leading to delays and reduced functionality.

Purpose and Challenges

  • Role: Securing sea lanes and countering non-traditional threats like Houthi drone and missile activities.
  • Overkill: Multi-role frigates may be excessive for piracy and smuggling issues.
  • Submarine Threat: Ineffective response to China's increased submarine presence without advanced sensors.

Conclusion

  • Fleet Status: Delayed response fleet and incomplete sensor grid coverage.
  • Industry Dependence: Domestic industry still reliant on imports.
  • Investment Misalignment: Current investments are not aligned with actual threats.

Explore Related Content

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Sensors (Radars and Sonars)

Electronic devices used for detecting objects. Radars detect objects using radio waves, while sonars use sound waves, often for underwater detection. The article highlights the reliance on imported radars and sonars for Project 17A frigates, impacting their functionality and timely integration.

Houthi

A Zaidi Shia political and armed movement in Yemen. The article refers to their drone and missile activities as a non-traditional threat impacting maritime security in crucial sea lanes.

Non-traditional Threats

Security challenges that do not involve conventional warfare between states, such as piracy, smuggling, terrorism, and cyber attacks. The article mentions Houthi drone and missile activities as an example of a non-traditional threat relevant to sea lanes.

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