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TRANSFORMING         TRANSFORMING         TRANSFORMING
 SUSTAINABILITY REPORT  FY 2023                      COMMUNITIES           THE PLANET         THE WORKPLACE
















 Management of Non-Hazardous Waste  High Volume Low Toxicity Waste

 Non-hazardous waste covers general waste like paper, plastic, wood,   Our operations generate High Volume Low Toxicity Waste (HVLT) like fly ash, bottom ash, red mud (aluminium refinery
 scrap metals and food waste. Given our commitment towards zero waste   waste), jarosite (from zinc smelting), slag, lime grit (process residues from smelters and aluminium refineries), and
 to landfill, we aim to utilize all non-hazardous waste.  phosphogypsum (phosphoric acid plant).

 TSPL follows a strict ‘No Single-Use Plastic’ policy and has received Single   High-Volume-Low-Toxicity Waste
 Use Plastic Free certification from the Confederation of Indian Industry (CII).
              FY 2021                               FY 2022                               FY 2023
 As a part of the certification process, verification is done by CII, under the
                                                                                                         %
                                                                   %
                             %
 provisions of the Plastics-use Protocol: Verification and Certification   Generated  Recycled/  Recycled   Generated  Recycled/  Recycled   Generated  Recycled/  Recycled
                                     (Million MT)
              Reused
 (Million MT)
                                                                                          Reused
                                                                           (Million MT)
                                                    Reused
 (1.0). Cairn has received a similar certification from CII.  (Million MT)  (Million MT)  (Million MT)
 HVLT Waste Disposal (metric tonnes)  Fly Ash  13.98  15.4  110%  14.54  16.7  115%  13.85  28.2       204%
 (*includes Fly ash
 and Bottom ash)
 37,58,432
 2023  Slag
 2,99,30,371  1.01  1.15   114%          1.31         1.27        100%        1.35         1.31         96%
 31,08,569  Jarosite  0.6  0.15  25%     0.64        0.096        97%         0.63          0.2         33%
 2022
 1,85,94,629
 Red Mud  2.27  0.13       5.70%         2.51         0.52        15%         2.55         0.15         6%
 30,17,823
 2021
 1,68,43,075
 Lime Grit  -    -            -          0.01        0.012        21%         0.009        0.01        104%
 26,14,430
 2020  1,33,25,785  Total HVLT  17.85  16.83  94.28%  19.01  18.6  98%        18.42        29.93       162%

 Total waste recycled/ reused  Total waste disposed


 Mineral Waste Disposal (metric tonnes)
 Acid Rock Drainage Management

 2,62,34,497  This condition occurs when mining   cause long-term damage to both   practices for the scientific and
 2023  3,18,264
 2,64,42,334  residue reacts with surface water and   surface water and groundwater. Out   systematic management of ARD
 1,10,427
 shallow subsurface water, to create   of the 17 mines under Vedanta's    and its associated environmental
 1,85,71,046
 2022  2,04,840  reactive mineral waste. Acid rock   ownership and control, six mines –   impacts. In all our ARD-affected
 1,86,67,036
 1,00,921  drainage (ARD) is a significant   Kayad, Rampura, Agucha, Zawar, BMM   mines, measures are being
 1,87,10,338  environmental concern for the mining   and Gamsberg, exhibit ARD, which is   implemented in conformance with
 2021  22,51,677  industry, and needs to be handled   about 35% of our total mines.   this technical standard.
 1,87,10,338
 22,51,677  responsibly. If left in an unstable
 1,50,59,116  condition ARD can hinder successful   We have a Technical Standard on ARD
 2020  1,41,35,872
 1,50,59,116  revegetation of mining wastes and   that incorporates industry-leading
 1,41,35,872

 Mineral waste generated - Waste rock   Mineral waste generated - Tailings
 Mineral waste repurposed/reused  Total mineral waste disposed



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