The synergistic alignment between these processes ensures high level of operational efficiencies and productivity, responsible business operations, innovation and safety.
The Hindustan Zinc Business Edge
Exploration (Ore Reserves and Mineral Resources)
Total R&R
460.05 Mt
- Powered by technology and innovation
- Long mine life of 25+ years
- Sustained delineation and upgradation efforts
- Focussed on enhancing R&R base to over 500 Mt and reserve to 200 Mt
Mines
Ore production
16.74 Mt
- Located in Rajasthan (Rampura Agucha, Sindesar Khurd, Rajpura Dariba, Zawar and Kayad)
- World-class operations supported by high safety standards and trained workforce
- Best-in-class and sustainable practices
- Focussed on operational efficiencies and cost optimisation
- Driving volume growth through sustained underground operations
Smelters & Refineries
Metal capacity
1.12 Mt
- Strategic location of smelters near the mines, in Chanderiya, Dariba and Debari in Rajasthan
- Zinc-Lead-Silver metal refineries situated at Pantnagar in Uttarakhand
- Fully integrated operations, supported by captive power
- Focussed on debottlenecking of smelters, expansion of value-added product portfolio and recycling/reuse of waste
Captive Power Plants (CPPs)
Total captive capacity
586.74 MW
- Captive thermal, solar and waste heat recovery power plants
- Ensures supply of low-cost and reliable power for Company’s sustained operations
- Focussed on augmenting solar power capacity to drive climate change goals
- Investment in innovation to boost thermal power capacity (more energy from same amount of fuel)
Robust Portfolio of Products and Applications
Principal Products
Refined Zinc Metal
Refined Lead Metal
By-Products
Silver
Sulphuric Acid
Refined Zinc
Applications
- Roadways and bridges
- Power generation and transmission
- Renewable energy
- Construction
- Railway infrastructure
- Automotive
- Chemicals
- Telecom towers
Value-Added Products
- Continuous Galvanising Grade
- Die-cast alloys
- SHG Jumbos
Production Volume
821 kt
Revenue
₹ 24,180 crore
Refined Lead
Applications
- Lead acid batteries
- Construction
- Defence applications
- Electrical cables
Production Volume
211 kt
Revenue
₹ 3,913 crore
Refined Silver
Applications
- Jewellery
- Tableware
- Electrical contacts
- Investment
Production Volume
714 MT
Revenue
₹ 4,388 crore
Mining Process
Exploration
Safety Initiatives:
- Inhouse designed and made safe mud-mixer equipment – not required to enter in sump
- Rigid polymer platform made for drilling crew to avoid slip-trip hazard
- Installed convex mirror at drill site for overall view of rig area
Digital Initiatives:
- Implementation of Exploration Web Geographic Information System (GIS) portal
Mine Planning and Development
Safety Initiatives:
- Augmented Reality/Virtual Reality (AR/VR) training
- Collision avoidance system/personnel tracking
- Optimised block height based on historical wall rock failure
- Primary secondary sequence with back filling at lower block to improve global stability of mines
Digital Initiatives:
- Smoke hours drilling
- Tele-remote operation
- Heavy Earth Moving Machinery (HEMM) tracking
- Ventilation fan health monitoring
- Predictive maintenance
- Cycle time monitoring
Production
Safety Initiatives:
- Implementation of narrow vein mining practices
- Hydraulic-operated ventilation door installed at 57 mRL, Mochia, ease of operation by HEMM operator, ventilation improvement
Digital Initiatives:
- Advanced Process Control (APC) at mills
Milestone Celebrations through 57 Years
1966
- Established foundation of Debari Smelter
1978
- Vizag Smelter commissioned
- Balaria Mine at Zawar commissioned
1984
- Rajpura Dariba Mine commissioned
1989
- Chanderiya Smelter inaugurated
- Rampura Agucha production commenced
2002
- Sterlite Group (now known as Vedanta Ltd.) acquired 26% equity stake in Hindustan Zinc
2005
- Hydro-I commissioned
- Hindustan Zinc
became 3rd largest
integrated zinc
producer in the world
2007
- Sindesar Khurd
Mine commissioned
with production
capacity of 0.3 Mtpa
- Hydro-II
commissioned
2009
- Hindustan Zinc became the 2nd largest integrated zinc producer in the world
2010
- Rajpura Dariba
Hydro-III
zinc smelter
commissioned,
with production
capacity of
0.21 Mtpa
2012
- New silver
refinery at
Pantnagar with
capacity
of 500 MT
commissioned
2016
- Hindustan Zinc
shared a special
dividend of
1,200% with its
shareholders –
the largest single
dividend in India’s
private sector
2018
- Secured the
London Good
Delivery (LGD)
status with London
Bullion Market
Association (LBMA)
for silver
2020
- Ranked #1 in the metals
and mining category in Asia
Pacific in the Dow Jones
Sustainability Index 2019
- Hindustan Zinc became
6th largest producer of
primary silver and the
fastest growing silver
company in the world
2022
- Hindustan Zinc crosses 1 million tonne mined metal mark
2023
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