Industries We Serve

Our primary sector. We supply high-load-capacity roof bolt assemblies to underground coal mines across India Select both government-owned and private collieries. DGMS Circular No. 3/2010 compliance is mandatory in this sector.

• Deep underground longwall and bord-and-pillar coal mines
• Roadway and main gallery roof support
• DGMS-certified assemblies required per regulation
• Government coal companies and Private Mining Companies

Zinc, lead, copper, bauxite, and other non-ferrous mineral extraction operations require the same high-integrity roof support as coal mines often in harder, more complex geological formations.

• Zinc, lead, copper, and bauxite underground mines
• Complex multi-strata geology requiring longer bolt lengths
• Bolt lengths up to 3000 mm for high rock-fall risk zones
• Custom grade selection (Fe 500-650) per rock hardness

Railway tunnels, road tunnels, and hydroelectric project tunnels require proven roof bolt systems for temporary and permanent ground support throughout the tunnel drive and portal sections.

• Rail and road tunnel drives (NHAI, RVNL projects)
• Hydroelectric and water conveyance tunnel lining
• Rock bolt support in portal and adit sections
• Large-diameter underground chambers

As an ISO-certified, DGMS-approved, and MSME-registered manufacturer, Manav Engineering qualifies for government tenders with complete documentation support for procurement approval.

• Coal India Limited subsidiaries: WCL, SECL, ECL, MCL, SCCL
• NMDC, Hindustan Zinc, and other PSU mineral companies
• Complete GeM and tender documentation support
• GSTIN, MSME, ISO, DGMS approval documents on request