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CarbonStrong Raises Rs 125 Million To Scale Low Carbon Cement Tech

To build capacity of 100,000 tonnes a year

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CarbonStrong has raised Rs 125 million (125 mn) to scale a low carbon cement technology and build commercial production capacity. The startup was founded in 2022 by Harsh Jain and Vikramaditya Singh and has moved from customer trials to plans for industrial supply. The company said its material replaces up to 50 per cent of cement in concrete while reducing costs and improving durability.

CarbonStrong states the product is around 30 per cent cheaper than cement and compatible with existing concrete plants, reducing the need for new equipment and operational disruption. Trials and paid pilots have been conducted in Bengaluru, Hyderabad and Chennai with demonstration projects involving ready-mix firms and precast manufacturers. Compatibility with current workflows forms a central part of the commercial strategy, aiming to ease adoption by builders and contractors.

The funding will support construction of a facility with capacity of up to 100,000 tonnes (100,000 t) a year over the next two years to supply early customers commercially. The firm is also developing materials from steel slag, copper slag and mine tailings to expand its feedstock base, while noting the technical challenge of homogenising different waste streams. Recognition by HCL ClimaForce in 2026 and by the Avaana-Startup India-NITI Aayog AIM Grand Challenge in 2025 has underscored progress.

Industry adoption remains the principal test and will require consistent material performance, supply reliability and competitive economics. CarbonStrong projects the Indian market for cement substitutes could reach Rs 250 billion (250 bn) by 2030 and has set an ambition to produce 10 million tonnes a year by 2035 (10 mn t), a target far above its near term capacity. Moving from pilots to production demands capital, manufacturing discipline and customers willing to specify the material beyond demonstrations. The recent Rs 125 million raise is intended to fund the next phase of scale and to demonstrate that industrial waste can become a dependable input for lower carbon construction.

Concrete

Assam Cabinet Approves Rs. 110 bn JK Lakshmi Cement Investment

ADB-backed project to restore 102 community beels also approved

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The Assam Cabinet has approved an investment of Rs. 110 bn by JK Lakshmi Cement for a clinker manufacturing unit and four associated cement grinding units in the state. Chief Minister Himanta Biswa Sarma announced the decision on 24 September 2026, along with approvals covering wetland restoration and industrial support.

The proposed cement investment is expected to generate around 2,000 direct jobs. The project forms part of the state government’s latest measures to attract manufacturing activity and strengthen industrial infrastructure. The Cabinet also approved a State Capital Investment Subsidy for eligible manufacturing units covered by the substantive provisions of the Uttar Poorva Transformative Industrialization Scheme, or UNNATI, 2024.

The subsidy will apply to units that qualified under the scheme but were unable to secure registration by the extended deadline of 30 September 2026. The measure is intended to support eligible businesses that missed the registration process while continuing to meet the scheme’s substantive requirements.

The Cabinet also cleared an Asian Development Bank (ADB)-funded project for the restoration and rehabilitation of at least 102 derelict community beels across Assam. The ADB loan component is Rs. 6.38 bn, while the Assam government’s contribution will be Rs. 1.59 bn.

In another decision, the Cabinet approved a rent-based or pro bono arrangement for constructing a laboratory and ancillary infrastructure for the Spices Board under the Ministry of Commerce and Industry. The facility will be built at Ulubari in Guwahati, with the Agriculture Department coordinating with the Public Works Department (Buildings) to construct it according to designs and specifications provided by the board.

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Concrete

JSW Cement Receives Rs. 2.3 bn GST Demand Notice

JSW Cement faces a GST demand over alleged incorrect classification.

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JSW Cement has received a show-cause notice proposing a Goods and Services Tax (GST) demand of Rs. 2.3 bn, along with applicable interest and a 10 per cent penalty, over an alleged incorrect classification of transactions. The notice was issued by the Additional Commissioner of Central Tax, Belagavi Audit Commissionerate, on September 24, 2026.

The proposed demand relates to the period from April 2022 to March 2024 and has been issued under Section 73 of the Central Goods and Services Tax (CGST) Act, 2017. The company disclosed the notice in a filing with the stock exchanges and said the matter involved an alleged short payment of GST.

The proposed amount comprises Integrated GST (IGST) of Rs. 1.22 bn, Central GST (CGST) of Rs. 540.5 mn and State GST (SGST) of Rs. 540.5 mn. The department has also cited alleged contraventions of Sections 9, 37 and 39 of the CGST Act, with interest proposed under Section 50 and the penalty under Section 73.

JSW Cement said the financial impact of the notice would be limited to the proposed tax demand, applicable interest and penalty. However, it assessed that the matter would not have a material impact on the company. The cement manufacturer is preparing its reply to the show-cause notice.

The notice was issued to JSW Cement, which is part of the Sajjan Jindal-promoted JSW Group. The company reiterated that the total proposed GST demand stood at Rs. 2.3 bn, excluding the applicable interest and 10 per cent penalty, and that the proceedings remained at the show-cause stage.

Shares of JSW Cement ended at Rs. 115.65 on the BSE on Thursday, down Rs. 2.60, or 2.20 per cent, from the previous close. The stock movement came as the company disclosed the proposed tax demand and its intention to respond to the department’s notice.

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Montra Electric, Wonder Cement Deploy 250-Vehicle EV Fleet

Fleet to haul cement on a 1,450-km corridor across four states

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Montra Electric and Wonder Cement have begun commercial operation of a 250-vehicle deployment of Rhino 5538 EV 4×2 tractor-trailers on an electric freight corridor linking Rajasthan with ports in Gujarat. The companies said the fleet is being used for regular cement logistics rather than a limited pilot, making it one of the largest heavy-duty electric truck deployments by an Indian industrial company.

An initial 30 trucks were introduced from Wonder Cement’s plant in Nimbahera, Rajasthan, in July 2026. They are hauling full payloads on daily routes between Nimbahera and Dahej Port and between Nimbahera and Tuna Port, covering approximately 1,450 km across Rajasthan, Madhya Pradesh, Maharashtra and Gujarat. The vehicles operate to schedules comparable with those of the company’s conventional diesel fleet.

The corridor is supported by 13 dedicated charging stations positioned to enable long-distance duty cycles within industrial turnaround times. The Rhino 5538 EV is available with a 55 t Gross Combination Weight option and is designed for cement, coal and clinker transport. Its specifications include a 282 kWh lithium iron phosphate battery, a Permanent Magnet Synchronous Motor producing 280 kW and 2,000 Nm of torque, 18 per cent continuous gradeability and a 6-speed Automated Manual Transmission.

The vehicle has a stated range of 198 km under specified test conditions, with one side loaded and the other empty. It can charge from 20 to 100 per cent State of Charge in 60 minutes and is supported by more than 95 per cent assured uptime. Montra Electric and Wonder Cement said the deployment would assess electrification through payload capacity, turnaround performance and daily availability in live freight operations.

Montra Electric said the same operating model could support steel, mining, infrastructure and port haulage, where fixed routes and predictable turnaround windows are common. The company has more than 750 heavy-duty electric vehicles on Indian roads and has covered over 30 mn km across its deployments. Montra Electric operates as the clean mobility arm of the Murugappa Group, with businesses spanning heavy commercial vehicles, smaller commercial vehicles, three-wheelers and electric tractors.

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