
Led by Founder Darwin Pragalathan, a seasoned mechanical engineer with over 35 years of composite manufacturing expertise across aerospace, defence, and railway programs.
Aerospace Division
Defence Systems
Railway Solutions
Supplied 11 DGCA-approved HANSA-3 aircraft. Developed 1:1 LCA-Tejas mock-up displayed at Air Show India and HAL Bangalore.
Indigenized Pinaka rocket launcher tubes using filament winding technology, which was succesfully test-fired at Balasore for M/s ARDE Pune, plus nose cones and Pylon fairings.
Engineered Phenolic impregenated Honey comb sandwhich panel interior panels for BMRCL metro trains alongside high electrical transformer insulators supplied to TELK Kerala.




ASSCA ENGINEERING
Delivering high-precision composite structures, flight-approved assemblies, and full-scale aerospace mock-ups to leading defence and aviation organisations.
HANSA-3 All-Composite Aircraft
ASSCA engineered and supplied high-precision composite structural components for the HANSA-3 trainer aircraft, meeting rigorous aviation quality standards.
11 Units
Supplied with DGCA Approval
LCA-Tejas 1:1 Full-Scale Mock-Up
A precision-built 1:1 composite mock-up of the LCA-Tejas fighter jet. Debuted at the 1st Aero Show at Yelahanka Airforce Station, it is now prominently showcased at the HAL Corporate Office in Bangalore.


Mock-Ups
Leveraging advanced CAD systems, ASSCA specializes in developing precision patterns, moulds and end products for high-quality composite mock-ups.
Our capabilities include the development of full-scale (1:1) models and scaled-down versions for exhibitions, presentations and project visualization. Each model is developed with a focus on accuracy, structural precision and high-quality visual finish, delivering professional results tailored to project requirements.
Advanced Design Services
Our engineering suite provides 2D and 3D CAD,CATIA modeling, FEA structural analysis, prototype development, and design optimization tailored for aerospace, railway, defence, and automotive platforms.


DEFENCE & ENGINEERING
ASSCA Engineering advances national defence capabilities through precision filament winding technology, replacing traditional metallic missile launcher structures with high-strength carbon composite assemblies.
Transition from Metal to Composite
By executing the critical transition from legacy metallic launcher tubes to advanced filament-wound composites, ASSCA achieved substantial weight reduction while elevating structural load resilience under extreme firing conditions.
High-performance components meeting defence standards.
ASSCA Defence Quality Validation
Indeginized composite filmanent wound rocket launcher tube which is for - RFD- ready for dispatch
Filament Winding Tech
Aerodynamic Nose Cones
Pylon Fairings
Automated multi-axis filament winding ensures precise fiber orientation and structural consistency across all Pinaki missile launcher tubes.
High-temperature composite nose cones fabricated to exact defence tolerances for high-speed atmospheric stability and radar compliance.
Lightweight composite pylon fairings designed for seamless aerodynamic integration and harsh tactical operational environments.












RAILWAYS & METRO ENGINEERING
Advanced Composite Engine manufactures fire-retardant composite interior systems for urban mass transit networks and specialized high-voltage electrical insulators for electrical grid equipment, engineered to exact rail and utility standards.
BMRCL Metro Interior Panels
TELK Transformer Insulators
Complete precision painting and supply of modular interior FRP panels for Bangalore Metro Rail Corporation Limited (BMRCL), compliant with strict fire retardancy, smoke toxicity, and high-passenger traffic durability requirements.
Supply of heavy-duty high electrical insulators for power transformers to M/s. TELK (Transformers and Electricals Kerala Ltd), delivering maximum dielectric endurance and extreme thermal stability under high-voltage load cycles.
Metro Interiors
Hollow Insulators
FRP Insulators
Railway Insulators
Fire-retardant interior FRP linings and ceiling panels tailored for rapid transit cars with anti-vandal coating.
High-strength composite hollow tubes built to endure internal pressures and severe dielectric exposure.
Fiberglass reinforced polymer rods providing lightweight structural support and non-conductive reliability.
Trackside and pantograph composite insulators engineered to withstand heavy mechanical vibration and dynamic loads.
Advaced composite engine of ASSCA Group is actively leading an in-house R&D initiative to indigenize high-performance phenolic-impregnated honeycomb sandwich panels. Engineered for modern urban metro transit coaches, this active initiative delivers unyielding structural strength, light weight, and uncompromising fire safety.
Precision Engineering & Technical Co-Development
To achieve seamless integration into metro car interiors, ASSCA provides robust technical documentation and support aligned with Project Technical Specifications (PTS) and Material Data Sheets (MDS). Our goal is to empower rail manufacturers with domestically manufactured, fully compliant composite panels engineered to strict specs.
• Tailored to Project Technical Specifications (PTS) & custom geometry
• Comprehensive Material Data Sheets (MDS) with FST compliance test records
• Direct engineering support from R&D prototyping through batch production
Advanced In-House R&D
Durability & FST Safety
PTS & MDS Compliance
Developing proprietary phenolic resin formulations and precise honeycomb bonding protocols directly within our technical facility.
Formulated for extreme mechanical endurance, low smoke emission, and fire retardancy essential for underground passenger transport.
Complete technical assistance, testing logs, and custom sizing to satisfy rigorous Project Technical Specifications and MDS standards.






Engineered flame-retardant composite enclosures and housings designed for high-reliability railway trackside signaling and electronic protection systems.
BALISE TOP
COVER
BALISE MAIN HOUSING TOP COVER
Precision-molded composite upper housing providing weatherproofing and impact protection for trackside transponder equipment.
In-house devloped & produced
Initial supply of 3 complete sets
Successfully certified
Met all specified requirements and standards of M/s BEL & DMRCL
Integrated structural composite enclosure component engineered for critical railway signaling assemblies with high dielectric resistance.


Delivering comprehensive 2D/3D CAD modeling, precision drafting, and structural analysis. We transform complex aerospace, transit, defence, and automotive concepts into certified functional products.
2D/3D CAD Modelling & Prototyping
Complete end-to-end drafting and dimensional 3D modeling that converts initial concepts into exact physical prototypes, streamlining production readiness and physical assembly.
Structural Analysis & FEA Optimization
Advanced Finite Element Analysis evaluating multi-axis stress, thermal limits, and durability. Optimized for maximum structural efficiency, cost reduction, and compliance with strict industry standards.
Aerospace
Railways
Defence
Automobiles
Precision design modifications for flight-approved composite structures, low-drag airframe components, and complete interior cabin mockups.
CAD drafting and structural modification for metro coach sidewalls, lightweight FRP panels, and modular interior transit enclosures.
Rigid structural analysis and custom design adaptations engineered for launcher systems, tactical equipment, and composite armor enclosures.
Targeted component redesign focusing on lightweight carbon composite substitution, crash durability, and accelerated functional prototyping.


ADVANCED COMPOSITE R&D
100%
Indigenous R&D Focus
ASSCA Engineering leads the transition from heavy metal alloys to high-performance composite structures. Through advanced design, rapid prototyping, and empirical testing, we replace critical imported components with indigenous flight-ready solutions.
Replacing critical metal assemblies with lightweight, corrosion-resistant carbon and glass composite structures.
CAD Tools & Prototyping
Testing & Validation
ISRO, HAL & NAL Alliances
Leveraging advanced CAD and finite element analysis (FEA) software to model complex composite layups, stress loads, and thermal behavior before full-scale prototype fabrication.
Rigorous mechanical tensile, flexural, and environmental qualification protocols ensure flight-ready structural integrity under high-vibration and extreme temperature conditions.
Collaborative research and development partnerships with India's premier aerospace and defence bodies to co-develop flight-critical hardware and mission-ready materials.
Engineering Metal-to-Composite Transitions Across 4 Key Sectors
Our dedicated R&D center translates complex requirement sets into custom composite formulations, replacing heavy forged steel and aluminum parts with ultra-light carbon and glass fiber structures.
Aerospace: Rocket launcher tubes, satellite structural panels, and flight control surfaces. Defence: Armor cladding, missile casings, and high-impact tactical enclosures. Railways: Modern metro FRP sidewall panels, lightweight coach interiors, and roof fairings. Energy: High-voltage resin insulator tubes, generator housings, and substation composite shrouds.












Delivering high-precision composite structures, advanced filament-wound assemblies, and specialized industrial components engineered for extreme aerospace, defense, energy, and infrastructure requirements.
DRONES
PLA / UAVs
ROCKET LAUNCHER TUBES
Precision composite airframe structures engineered for optimum power-to-weight ratios, operational endurance, and high aerodynamic efficiency.
Defense-grade tactical UAV platforms fabricated with advanced radar-transparent materials and high thermal-resistant resin systems.
High-strength filament-wound composite launcher tubes designed to withstand intense propulsion heat, blast pressure, and mechanical stress.
UAV SYSTEMS
FRP PIPES & TUBES
ELECTRICAL & CHEMICAL INSULATORS
Custom lightweight UAV structural components, internal payload bays, and durable control surface housings built to strict flight tolerances.
Corrosion-proof glass and carbon composite piping solutions engineered for high-pressure chemical transfer and demanding fluid handling.
Dielectric glass-epoxy insulating rods, bushings, and chemical barrier tubes engineered for high-voltage transformers and industrial switchgear.


ASSCA operates a 23,000 sq ft industrial facility equipped with advanced composite manufacturing machinery and specialized environmental controls.
23,000
sq ft total facility
4,000
sq ft ISO clean room
6×8×10m
hot-air oven dimension
4-Axis
CNC filament winding
Advanced Machinery & Setup
Our facility houses polar winding machines, MPRP equipment, paint booths, dry-air and vacuum pipelines, scientific measuring instruments, and an autoclave currently in procurement.


















