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We are committed to improving the energy efficiency of our products

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Krishnaraj Sreedharan, Head of Customer Service, Flender India, talks about latest innovations and modernisation of their product lines to help improve cement processes.

Tell us about the role of geared drives in cement plant machinery.
The manufacturing of cement involves an elaborate process, starting from the mining of necessary mineral resources to the processing of these minerals to obtain the final products with desired physical and chemical properties. In this process, rotary geared drive systems
play a crucial role in powering heavy-duty critical equipment that operates under harsh conditions and heavy loads. These systems are utilised for various applications such as crushing, grinding, melting, mixing and conveying.

Tell us about the portfolio of drive products that you offer to the cement industry.
Flender provides a wide range of mechanical power transmission products that are extensively used to drive various types of rotary equipment in the cement industry. Our product portfolio is primarily divided into gear units, couplings and drive systems. This comprehensive range includes standard catalog series products, application-specific standardised products and highly engineered products tailored to meet the specific requirements of individual projects.

As machinery in cement plants is advancing with time, how do you accommodate the change in drive components for the betterment of functionality in cement plants?
Over the years, as the cement manufacturing process and equipment have advanced, Flender has continuously invested in innovative product designs and the modernisation of existing product lines. We are committed to improving the energy efficiency and environmental friendliness of our products and manufacturing processes, while adhering to the highest quality standards and global sustainability goals.

How can Flender products and services help cement manufacturers achieve better productivity and energy efficiency?
The outstanding feature of Flender products has always been their high operational reliability, which ensures maximum equipment availability and delivers optimal output. With over a century of experience serving the industry and leveraging our extensive application knowledge pool, we have optimised our drive solutions to minimise transmission losses. Our wide range of products and sizes allows us to closely match the technical requirements of various applications, eliminating the risk of drive underutilisation. Our customer service team excels in providing comprehensive support, including reengineering, multi-brand retrofit, and repair services. We recognise the significance of optimising output and extending the operational life of equipment for our valued customers.

Which machinery of the cement plant is the most challenging and how do you overcome the challenge?
One of the most crucial and demanding drive applications in cement manufacturing is the pre and post clinkerisation grinding process, which involves high energy consumption and heavy impact loads. When it comes to grinding mill applications like Vertical Roller Mills, Tube Mills or High-Pressure Grinding Roll Mills, Flender drive solutions guarantee optimal equipment availability. Our proactive preventive maintenance measures, along with offline and online condition monitoring systems (CMS), effectively prevent unscheduled equipment downtime and facilitate utilisation of residual life of the drive components. These systems also provide plant operators with real-time information about the operational condition of the drive, enabling them to plan maintenance activities well in advance.

How often do you service and audit your installations at the cement plant?
Flender drive solutions for critical applications are equipped with factory-fitted CMS or can be easily adapted to accommodate monitoring equipment available at the installation site. At our Chennai plant location, we have established a remote condition monitoring hub that is connected to a significant number of our mill drive installations. Our dedicated team of experts provides real-time monitoring support, collects and analyses drive condition data and offers valuable insights and consultation to site maintenance teams. By leveraging proactive information, we assist in maximising equipment uptime and utilisation. Through our standard and customised maintenance programmes, we offer our customers a wide range of service solutions tailored to their specific operational needs. This enables us to effectively assist our customers in maintaining the largest global installed base of our products in the cement industry.

Tell us about the upcoming innovations from Flender that would be beneficial for cement plants?
Flender’s latest innovation introduces a product line of standard gear units that showcases a completely new design, surpassing the limitations of conventional gear engineering and manufacturing. This breakthrough is accompanied by a state-of-the-art advanced monitoring system, which is far superior to other solutions currently available in the industry.

Concrete

Star Cement Named Preferred Bidder For Boro Lakhindong Block

Preferred bidder for limestone mining lease in Assam

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Star Cement has been declared the preferred bidder for the mining lease for Boro Lakhindong West Block following e-auctions conducted by the Government of Assam. The block is located in Boro Lakhindong Village, Umrangso Tehsil, Dima Hasao District, Assam, and extends over an area of 123 hectares. The estimated limestone resource is 207.822 million (mn) tonnes (t), a quantity that will supply raw material for cement production and support the company’s manufacturing operations in the region.

The company is engaged in the manufacturing and selling of cement clinker and cement and distributes products across the north-eastern and eastern states of India. Star Cement operates plants and logistics networks that procure and process limestone to produce clinker for cement, and the addition of Boro Lakhindong is presented as a strategic enhancement of feedstock availability. The preferred bidder status secures rights to the specified lease area under the terms of the auction process.

Financial results for the company in the fourth quarter of fiscal year 2026 showed a consolidated net profit rise of 20.24 per cent to Rs 1,481.0 mn on an 11.54 per cent increase in revenue to Rs 11,735.5 mn compared with the corresponding quarter of the previous year. Those results reflected higher sales volumes and revenue growth in the company’s primary markets and are cited in company disclosures accompanying the lease announcement. The reported performance provides context to the company’s ability to pursue and finance new mining lease opportunities.

Market reaction to the declaration was modest, with the scrip rising zero point thirty six per cent to trade at Rs 212 on the BSE. The award of the Boro Lakhindong lease concludes the e-auction process for the west block and assigns operational rights to Star Cement as the preferred bidder, subject to completion of statutory and contractual formalities.

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Concrete

KERC Proposal To Cut Rooftop Solar Export Tariff Raises Concern

Consumers and advocates urge regulator to reconsider change

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The Karnataka Electricity Regulatory Commission (KERC) has proposed a reduction in the tariff paid for surplus electricity that rooftop solar installations export to the grid, prompting concern among consumers, renewable energy advocates and industry specialists. The proposal arrives while the Central government and state governments are promoting clean energy adoption and offering subsidy schemes to encourage rooftop solar deployment. Thousands of households in Karnataka, particularly in Bengaluru, have invested substantial sums in rooftop systems to reduce reliance on conventional power and support state renewable targets.

Stakeholders have raised questions about the implications of a lower export tariff for the financial attractiveness of rooftop solar investments and the pace of the state transition to renewables. Industry analysts warned that a reduction in compensation for excess generation could discourage new installations and extend payback periods for existing systems. Current messaging from authorities, which simultaneously promotes adoption while proposing lower export rates, has been described by user groups as creating contradictory signals for consumers.

Experts argued that policy measures should focus on grid modernisation rather than reducing consumer benefits, with investments in transmission and distribution networks needed to manage higher volumes of distributed solar generation. Consumer groups and renewable advocates are preparing written submissions to the regulator and are urging retention of incentives that support household adoption of rooftop systems. KERC has invited public objections and suggestions as part of a consultation process that will determine the final tariff framework.

The outcome of the consultation is expected to influence the future growth of rooftop solar across the state and shape investor confidence in small-scale renewable projects. Residents who have already installed rooftop panels are monitoring developments closely because changes to compensation mechanisms may affect household finances and the speed of return on investment. Observers noted that coherent policy, aligned incentives and grid upgrades would be essential to sustain momentum in the rooftop solar sector.

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Concrete

Indian Railways Plans Green Fly Ash Transport Network

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Specialised rail logistics will move fly ash from power plants to infrastructure industries.

New Delhi

Indian Railways is planning a large-scale green logistics initiative to transport fly ash from thermal power plants to industries where it can be reused in infrastructure and construction activities.

The initiative was discussed during a review meeting chaired by Union Minister for Railways Ashwini Vaishnaw. Union Ministers of State for Railways V Somanna and Ravneet Singh Bittu were also present.

India generates nearly 340 million tonnes of fly ash every year from thermal power plants. The proposed initiative aims to create an efficient rail-based transport system using specialised containers and dedicated logistics arrangements to move fly ash safely from power plants to end-use industries.

Fly ash is widely used in road construction, cement manufacturing, brick production, concrete, blocks and boards. By improving its movement through the railway network, the initiative is expected to support better utilisation of this industrial by-product while reducing environmental concerns linked to storage and disposal.

The move also aligns with India’s circular economy goals by converting waste from thermal power generation into a useful raw material for the construction and infrastructure sectors. Wider availability of fly ash can help reduce material costs in areas such as bricks and cement, supporting more affordable infrastructure and housing development.

Through this initiative, Indian Railways aims to provide a cleaner, safer and more organised transport solution for fly ash, turning an environmental challenge into an infrastructure resource.

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