Hindustan Zinc Limited is an India-based energy transition metals company. The Company is engaged in exploring, extracting and processing of minerals and manufacturing of metals and alloys. Its segments include Zinc, Lead and Silver, and Wind Energy. Its operations include five zinc-lead mines, four zinc smelters, one lead smelter, one zinc-lead smelter, eight sulfuric acid plants, one silver refinery plant, six captive thermal power plants and four captive solar plants in the state of Rajasthan. It also has a rock-phosphate mine in Matoon, near Udaipur in Rajasthan and zinc, lead, silver processing and refining facilities in the state of Uttarakhand. It also has wind power plants in the states of Rajasthan, Gujarat, Karnataka, Tamil Nadu and Maharashtra and solar power plants in the state of Rajasthan. It has expanded its critical minerals portfolio with two mineral blocks - one for potash and halite and the other for rare earth elements. Its EcoZen is a low carbon green zinc brand.