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Our Group Companies

Beroa-Uniseven Refractory Services Pvt. Ltd.

Beroa-Uniseven Refractory Services Pvt. Ltd.
Beroa-Uniseven Refractory Services Pvt. Ltd.
Joint venture with Technology Group (Formerly Karrena) Germany, a global leader in engineering and installation of refractory materials that offers a complete range of refractory solutions-engineering, supply, installation and maintenance for metallurgical, cement, power and petrochemical sectors.

  • Expertise of Beroa, a 75 year old company with presence across 40 countries with over 4000 skilled professionals
  • Bank of specialized equipment shortcutting, compressors, ceramics welding machines, specialized mixers etc
  • Capacity and expertise for serving clients in any location across the world
  • Safety compliance, quality assurance and timely execution


  • Design and engineering
  • Custom fabrication and supply
  • Refractory dismantling, installation and maintenance/refractory lining installation and supervision
  • Global servicing

Narendra & Narendra (Engineers) Pvt. Ltd.

A wholly-owned engineering and manufacturing subsidiary of Uniseven Engineering and Infrastructure Pvt. Ltd. that caters to the requirements of mechanical equipments for core sectors.

  • Over 40 years of operations
  • Strategically located
  • Supplier of import-substitution items to major steel producers.
  • Strong quality assurance system

Products & Services

  • Large hydraulic/pneumatic cylinders
  • Specialized conveying equipments
  • High quality fabrication using MIG/TIG welding
  • Components for coke oven machines
  • Impellers for large fans
  • Anode yokes, collectors bars, pallets, stub pins, casting molds, cooling jackets for aluminum smelters and cash houses
  • Refurbishing of rolling mills and other heavy equipments
  • Customized parts of major capital equipment for core sectors industries

Hidro-Uni Water Solutions Pvt. Ltd.

Hidro-Uni Water Solutions Pvt. Ltd.
 Hidro-Uni Water Solutions Pvt. Ltd.
Joint venture with Hidromabiente, part of spanish conglomerate Elecnor, global leader in high technology water engineering provides integrated water and waste water management for industry as well as community.


  • Technology, design and engineering
  • Manufacture, assembly, supply, erection, erection and commissioning
  • Operation and maintenance
  • Technical assistance and revalorization of existing plants
  • Tailor-made solutions for critical problems for process industry


  • Clarifier and dosing systems
  • Filters
  • Membrane based solutions for brackish, sea and waste water
  • Ion exchanger
  • Biological reactors
  • Decanters and thickeners
  • Flotation system for oil removal
  • Electro deionisation
  • Electro reversible distillation
  • Sludge treatment

Uniseven Engineering & Infrastructure Pvt Ltd

Kousik Mondal (Engineer-Project)
30-D, J. L. Nehru Road, Chowringhee Mansion
Kolkata - 700016
West Bengal, India
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