Underwater Platforms

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We leverage our extensive design and manufacturing experience in the heavy engineering arena to offer end-to-end capabilities in submarine manufacture. L&T made major contributions to the design and construction of India's first nuclear-powered submarine, Arihant, and is well-equipped to meet future challenges.

Globally Acknowledged Design Capabilities

Our design capabilities range from detailed engineering to generation of production drawings. Our dedicated Submarine Design Centre effectively exploits the prowess of CATIA design software, virtual reality software, PLM tools and intelligent modelling. These capabilities, backed by a one-of-a-kind 3D virtual reality studio, give L&T the design advantage.

Apart from the Platform-level capabilities, L&T is also uniquely endowed with in-house capabilities for designing and developing critical equipment and systems.
These include:

  • Torpedo Complex 
  • SONAR Domes
  • Valves
  • Switchboards
  • Heat Exchangers
  • Hull Equipment
  • Propulsion Shafting

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Contact Details


Amitabha Ghosh
L&T Heavy Engineering,
Strategic Systems complex,
A5,7,10&11, MIDC Talegaon,
Pune - 410 507

Tel: +91 2114 669003
Fax: +91 2114 669069
E-mail: defence@larsentoubro.com


Ravi Kataria
L&T Heavy Engineering,
G4 Building, Second Floor, 
Gate No. 1, Powai Campus, 
Saki Vihar Road, 
Mumbai - 400 072

Tel: +91 22-6705 4479
Fax: +91 22-6705 4160
E-mail: ravi.kataria@larsentoubro.com


International Business

Mohan Nair

G1 Building, Ground Floor, 
Gate No. 1, Powai Campus, 
Saki Vihar Road, 
Mumbai - 400 072

Tel: +91 22-6705 2156
Fax: +91 22-6705 1652/4160 
E-mail: mohan.nair62@larsentoubro.com