During the second quarter of the current financial year, Vedanta Resources PLC (LON:VED) boosted zinc-lead metal production by 27% year-on-year to 230,000 tonnes.
The company also produced record levels of refined silver, at 4.5mln ounces, up 31% on the corresponding period a year ago.
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Record levels of aluminium were also reached, with smelters continuing to ramp up and currently producing at a rate of 1.6mln tonnes per year.
Meanwhile, Vedanta also increased copper production quarter-on-quarter, by 21%, with production improvements at Konkola Underground, the Nchanga open pit and from tailings.
In oil and gas though, total production fell by 6% in the first six months, even as the company brought its first well at Mangala online.
Indian iron ore production remained strong.
Kuldip Kaura, Interim Chief Executive Officer of Vedanta Resources said: " During the quarter, our Zinc, Copper India and Aluminium businesses have delivered a strong production performance.”
“We have also commenced our growth journey on both the exploration and development front in our Oil & Gas business. We are continuing to realise operational efficiencies across our diversified portfolio and to benefit from a supportive market environment."