No Fake Promises
Honest assessments and transparent pricing — we tell you what is achievable, not what you want to hear.
Heritage Engineering Specialists, Chhatrapati Sambhajinagar
We Built Novelty
Specialising in arches, vaults, domes, stone masonry, hydraulic lime research, and the conservation of historic structures across India and beyond.
Collaborations
Our Trusted Partners & Associations
Archaeological Survey of India 
deploymanager 
INTACH — Indian National Trust 
lipi 
Ministry of Culture, Government of India 
Public Works Department 
Indian Institute of Heritage UNESCO World Heritage Programme Maharashtra State Archaeology Dept. National Institute of Technology FETLA Lime Mortar Consortium State Heritage Conservation Authority About Us
With decades of expertise, we specialise in reviving
heritage structures
that carry the soul of India's architectural legacy.
Get to Know Us
25+
Years of Experience
200+
Projects Completed
4.9/5
Client Satisfaction
100%
Heritage Focused
Our Expertise
We Specialise in What Others Won't Touch
Deep technical expertise in traditional building systems — from brick barrel vaults to hydraulic lime mortars.
- 01
Arches, Vaults & Domes
Analysis, design, and construction of brick arches, barrel vaults, and masonry domes using traditional and modern techniques.
- 02
Stone Masonry Structures
Expert stonework including dressing, coursing, and jointing for new construction and restoration of existing stone buildings.
- 03
Heritage Conservation
Structural assessment, repair strategies, and conservation of historic buildings including churches, forts, bridges, and colonial-era structures.
- 04
Hydraulic Lime Research
Pioneers in FETLA — hydraulic lime mortar research and training, ensuring historically authentic and structurally sound repairs.
- 05
Industrial Projects
Application of traditional masonry systems in modern industrial contexts — chimneys, retaining walls, underground structures.
- 06
Training & Workshops
Hands-on training programmes for engineers, architects, and craftspeople in traditional masonry and lime technology.
Our Core Values
Why NDVPL?
Trusted by heritage bodies, government institutions, and conservation architects — built on four decades of authentic expertise with no compromises.
Get to Know Us 40+ Years of Experience
100% Client Satisfaction
100% Heritage Competency
100% Technical Expertise
Proven Track Record
Four decades of successfully delivered projects — from ASI monuments to private heritage estates.
Innovative Engineering
Modern structural analysis combined with time-tested traditional materials — rigorous and historically sensitive.
Heritage Expertise
Deep knowledge of arches, vaults, domes, lime mortars, and laterite stone through direct fieldwork.
Client-Centric
We keep clients, heritage committees, and government bodies informed at every stage of the project.
Quality & Safety
Every intervention meets the highest structural standards — protecting the historic fabric and site safety.
Timely Delivery
Meticulous planning and site supervision ensure conservation work is completed on schedule.
Sustainable Design
Hydraulic lime is inherently low-carbon and breathable — aligning heritage values with environmental responsibility.
Knowledge Transfer
FETLA workshops and published research preserve India's traditional building knowledge for future generations.
Research-Backed
Grounded in material science — from hydraulic lime chemistry to structural load analysis. No guesswork.
Authentic Expertise
Decades of hands-on experience with traditional masonry — no shortcuts, no learning on your project.
Safety & Precision
Every intervention is carefully planned to protect both the structure and the people working on it.
Featured Projects
A closer look at our heritage interventions — each one a story of restoration and renewal.
Structural restoration of the historic arch bridge at Aruvikkara, preserving its original lime mortar jointing and stone coursing with minimal intervention.
Bridge Conservation
Aruvikkara Arch Bridge
2023
Kerala PWD
Careful re-pointing and consolidation of the barrel vaults at Mattancherry Palace using FETLA hydraulic lime mortar matched to the original composition.
Vault Restoration
Mattancherry Palace Vaults
2022
ASI Kerala
Structural stabilisation of the historic fort walls at Thalassery — stone repointing, crack injection with lime grout, and drainage improvements.
Fort Conservation
Thalassery Fort Walls
2021
Kerala Tourism
Knowledge Centre
Insights & Research
Articles, research notes, and field reports from the NDVPL team
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ResearchUnderstanding FETLA: Kerala's Hydraulic Lime Mortar System
NDVPL Research Team 8 minutes reading - Field Notes
Constructing Brick Barrel Vaults: A Step-by-Step Field Guide
NDVPL Site Team 12 minutes readingConservationWhy Cement Mortars Damage Historic Stone Buildings
Ar. Devi Krishnan 6 minutes reading
