North India's largest and only professionally managed manufacturer of GGBS — a green cementitious material that replaces up to 70% of cement while delivering superior strength, durability and up to 90% lower CO₂.
While GGBS supply has traditionally been limited to East, West and South India, Indiana Construction Company is the trusted source for North and Central India — approved by Asian Paints and for Government Roads, Infrastructure & Defence projects.
Engineered supplementary cementitious materials that make concrete stronger, greener and more cost-effective.
Ground Granulated Blast Furnace Slag — replaces 40–70% of OPC with 25–50% more long-term strength, enhanced durability and up to 90% lower embodied carbon. Ultrafine grade available for M50+ concrete.
Explore GGBS
Ultra-fine silica fume in 85% & 92% SiO₂ grades for 80–100 MPa high-performance concrete — +30–50% compressive strength, 90% less permeability, 5–10x service life. 36,000 MT backward-integrated facility.
Explore Micro SilicaAlso manufacturing: EAF / Arc Furnace Slag Powder, Tile Adhesives, Ready-Mix Plasters, BJM & Grouts. View full range →
Steel and cement account for roughly 63% of global industrial CO₂. Every metric ton of cement consumes 1.5 MT of limestone and emits 0.8–1 MT of CO₂.
Your trusted partner in performance and sustainability. Get product specs, pricing and delivery timelines today.
Indiana Construction Company has rapidly emerged as North India's largest and only professionally managed manufacturer of Ground Granulated Blast Furnace Slag (GGBFS). GGBS availability has historically been limited to the East, West and South — we changed that for North and Central India.
"To create greener, stronger and smarter infrastructure by providing world-class sustainable building materials that set new benchmarks in quality, performance and environmental responsibility."
GGBS production begins in Alwar, Rajasthan with 6,000 MT annual capacity — North India's first professional GGBS manufacturer.
Capacity expanded to 36,000 MT annually with new customers across the region.
GGBS approved for Asian Paints construction chemicals and building materials.
Approved in Roads, Infrastructure, Defence and other government projects.
State-of-the-art, fully automatic plant with 60,000 MT annual capacity, plus 36,000 MT Micro Silica launch.
Current GGBFS production capacity
Post-expansion — production start Feb/Mar 2026
Micro Silica annual capacity, backward integrated
50kg bags, jumbo bags & bulker loading available
Headquarters · GGBFS + Micro Silica plants
Building materials production unit
Regional production facility
Trusted by government agencies, contractors and construction material suppliers.
Ground Granulated Blast Furnace Slag. Replaces 40–70% of Ordinary Portland Cement with superior long-term strength, low heat of hydration and up to 90% lower CO₂. Includes Ultrafine GGBS for M50+ high-performance concrete.
View GGBS Details →
Silica fume in Standard (85% SiO₂) and Premium (92% SiO₂) grades, meeting ASTM C1240, EN 13263 & IS 15388. The ultimate performance enhancer for 80–100 MPa concrete, marine structures and industrial floors.
View Micro Silica Details →Sustainable slag powder for cementitious applications.
Specialty micronized additives for high-performance mixes.
Ready-mix adhesives — trusted by JSW Cement & MYK Laticrete.
Convenient, consistent plasters for faster site work.
Block jointing mortar and precision grouts.
Abrasion-resistant surfaces for industrial floors.
Flexible packaging on every product: 50kg bags, jumbo bags and bulker loading — with custom formulations and private-label options available.
Our technical team will help you choose the right product and replacement ratio for your application.
For decades, steel slag was discarded as industrial waste. Water quenching turns it into glassy granules; grinding turns those granules into a pozzolanic powder that can replace your cement.
Iron ore, coke and limestone are fed into steel furnaces operating at approximately 1,500°C.
Slag — a by-product — floats on top of the molten iron during the steel-making process.
The molten slag is rapidly cooled with water to form glassy granules, preserving its cementitious properties.
Granulated slag is ground in the mill into a fine powder — high-quality GGBS, a superior cementitious material.
Ready for concrete — replacing 40–70% of Ordinary Portland Cement with superior performance and dramatically lower carbon.
The result: a cementitious material that replaces 40–70% of Ordinary Portland Cement while delivering superior performance and dramatically lower carbon emissions.
Flexible replacement of Ordinary Portland Cement in concrete mixes.
Significant savings on concrete cost without compromising quality.
Superior long-term compressive strength vs. traditional cement.
Flexible packing: 50kg bags, jumbo bags and bulkers.
Enhanced durability and resistance for homes and structures.
Cuts embodied carbon of buildings by up to 90%.
Contributes to environmental and sustainability goals.
Minimal maintenance over the structure's lifetime.
| Parameter | Portland Cement | GGBS |
|---|---|---|
| CO₂ Emission | Very high (0.8–1 MT/MT) | Up to 90% less |
| Strength | Good early strength | Superior long-term strength |
| Durability | Good | High long-term durability |
| Heat of Hydration | High | Low — ideal for mass concreting |
| Cost | Expensive | Lower cost per performance unit |
| Sustainability | Non-renewable | 100% recycled & circular |
Compressive strength (MPa) vs. curing age. GGBS surpasses OPC at 28 days — at 180 days, the 70% GGBS mix achieves the highest strength.
Better resistance to chloride & sulphate attack, alkali-silica reaction and freeze-thaw cycles.
Utilizes a steel-industry by-product, lowering emissions significantly.
Lower material cost plus reduced long-term maintenance.
Easier placing and finishing, even in complex structures.
Ready-mix concrete for foundations and superstructure works.
Residential and commercial projects of every scale.
Highways, urban metro systems and rail projects.
Dams, spillways, canals and large foundations.
Retaining walls, culverts, drainage systems and tunnels.
Effluent and sewage treatment facility construction.
Specialized cement-based products and applications.
Waterproofing systems, plastering and brickwork finishing.
Sea walls, coastal structures and marine infrastructure.
Micro Silica (silica fume) is an ultrafine material composed of amorphous silica particles with an average diameter of 0.15μm — 100 times smaller than cement particles. Through powerful pozzolanic reactions it forms additional calcium silicate hydrate (CSH) gel, dramatically enhancing concrete's mechanical properties and durability.
Choose the right grade for your application — from standard reinforced concrete to nuclear and offshore structures.
Superior chloride resistance for coastal and marine environments.
High-strength concrete of 80–100 MPa for tall structures.
Abrasion-resistant surfaces built for heavy traffic.
Low heat of hydration for mass concrete pours.
Chemical and abrasion resistance for demanding facilities.
Shotcrete applications with superior bond and durability.
Small-scale projects, retail & hardware stores, repair & maintenance. Multi-layer laminated bags with moisture barrier.
Medium-scale construction, RMC plants & contractors, commercial projects. HDPE woven sacks with inner liner.
Large infrastructure projects, major RMC manufacturers, cement companies. FIBC bags (500–1000 kg) for cost-efficient bulk handling.
Moisture protection, custom branding & pan-India delivery — all bags sealed against humidity, with private-label options and custom formulations available.
Infrastructure investment is rising from 5.3% to 6.5% of GDP by FY29, with cement demand growing 7–8% CAGR — and Micro Silica is essential for high-performance concrete in RMC applications.
Steel (44%) and cement (19%) together generate roughly 63% of global industrial CO₂ emissions. Every metric ton of cement requires 1.5 MT of limestone, 0.22–0.25 MT of coal and 70–98 units of electricity — and emits 0.8–1 MT of CO₂.
of global CO₂ comes from cement production
limestone consumed per MT of cement
CO₂ emitted per MT of cement
of all global CO₂ from Portland cement alone
Climate extremes and unpredictable weather patterns affecting infrastructure — visible in cities like Delhi every year.
Increasing greenhouse gas emissions from construction activities worldwide.
Rapid depletion of limestone, fossil fuels and sand — plus water pollution and heavy metals released into the air.
For every 1 MT of GGBS used instead of cement, approximately 0.8 MT of CO₂ is saved. Replacing even 50% of the world's cement with GGBS would transform the climate impact of construction — as nations pledge to cut carbon footprints for future generations.
For over a hundred years, steel slag was simply thrown away. Today we upcycle it into a material that outperforms the cement it replaces — a perfect example of the circular economy in action.
Industrial waste from steel-making becomes a high-value construction material.
~80% less water used vs. cement production processes.
Helping builders and governments meet carbon-reduction pledges.
India's leading cement, paint and construction companies rely on Indiana for their GGBS and building material needs.
A closer look at the numbers behind cement's climate impact — and how slag-based materials change the equation.
Read More →
Application-wise guidance for engineers and RMC plants on optimal GGBS dosage for strength and durability.
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Our new 36,000 MT backward-integrated facility in Alwar brings world-class silica fume to North India.
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GGBS availability was limited to East, West and South India for years. Here's how that changed in 2019.
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How the world's most ambitious infrastructure uses slag cement to build for centuries, not decades.
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The story of how steel-making's by-product became the future of sustainable cement.
Read More →New articles are published regularly. Have a topic you'd like us to cover? Let us know →
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