--117.200.245.124  15:28, 18 November 2011 (UTC)vikas
Hindustan Zinc Limited (HZL) (NSE

National Stock Exchange of India

The National Stock Exchange is a stock exchange located at Mumbai, Maharashtra, India. It is the 9th largest stock exchange in the world by market capitalization and largest in India by daily turnover and number of trades, for both equities and derivative trading. NSE has a market capitalization...

: HINDZINC, BSE

Bombay Stock Exchange

The Bombay Stock Exchange is a stock exchange located on Dalal Street, Mumbai and is the oldest stock exchange in Asia. The equity market capitalization of the companies listed on the BSE was 1.63 trillion as of December 2010, making it the 4th largest stock exchange in Asia and the 8th largest...

: 500188) is an integrated mining and resources producer of zinc

Zinc

Zinc , or spelter , is a metallic chemical element; it has the symbol Zn and atomic number 30. It is the first element in group 12 of the periodic table. Zinc is, in some respects, chemically similar to magnesium, because its ion is of similar size and its only common oxidation state is +2...

, lead

Lead

Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed...

, silver

Silver

Silver is a metallic chemical element with the chemical symbol Ag and atomic number 47. A soft, white, lustrous transition metal, it has the highest electrical conductivity of any element and the highest thermal conductivity of any metal...

 and cadmium

Cadmium

Cadmium is a chemical element with the symbol Cd and atomic number 48. This soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Similar to zinc, it prefers oxidation state +2 in most of its compounds and similar to mercury it shows a low...

. It is a subsidiary of Vedanta Resources

Vedanta Resources

Vedanta Resources plc is a global mining and metals company headquartered in London, United Kingdom. It is the largest mining and non-ferrous metals company in India and also has mining operations in Australia and Zambia. Its main products are copper, zinc, aluminium, lead and iron ore...

 PLC. HZL is the world's second largest zinc producer. It's FY2011 revenues were Rs. 108.91 billion.

History

Hindustan Zinc Limited was incorporated from the erstwhile Metal Corporation of India on 10 January 1966 as a Public Sector Undertaking.

In April 2002, Sterlite Opportunities and Ventures Limited (SOVL) made an open offer for acquisition of shares of the company; consequent to the disinvestment of Government of India's (GOI) stake of 26% including management control to SOVL and acquired additional 20% of shares from public, pursuant to the SEBI Regulations 1997. In August 2003, SOVL acquired additional shares to the extent of 18.92% of the paid up capital from GOI in exercise of "call option" clause in the share holder's agreement between GOI and SOVL.

With the above additional acquisition, SOVL's stake in the company has gone up to 64.92%. Thus GOI's stake in the company now stands at 29.54%.

Mission

1. Enhance stake holder's value through exploration, innovation, operational excellence and sustainability.

2. Be a globally lowest cost producer.

3. Maintain market leadership and customer delight.

Mining

HZL operates the world's third largest open-pit mine

Open-pit mining

Open-pit mining or opencast mining refers to a method of extracting rock or minerals from the earth by their removal from an open pit or borrow....

, and World's largest Zinc Mine in Rampura Agucha

Rampura Agucha

Rampura Agucha is a mine of zinc and lead in the Bhilwara district of Rajasthan state of India. It has world's largest deposits of zinc and lead.Hindustan Zinc Limited is owner of this mine.-History:...

, Rajasthan

Rajasthan

Rājasthān the land of Rajasthanis, , is the largest state of the Republic of India by area. It is located in the northwest of India. It encompasses most of the area of the large, inhospitable Great Indian Desert , which has an edge paralleling the Sutlej-Indus river valley along its border with...

. Other mines with HZL are located in Sindesar Khurd, Rajpura Dariba and Zawar, all in Rajasthan.

HZL is also the world's lowest cost zinc producer.

Smelting

HZL operates Zinc and Lead smelters and refineries at Chanderiya

Chanderiya Smelter Complex

Chanderiya Smelter Complex is the world's largest zinc-lead smelter complex in the Chittorgarh district of Rajasthan state of India.It is metallurgical type plant.It was built in 2005. It refines zinc-Lead of Rampura Agucha.It produces Zinc,Lead and Cadamium....

 (Chittorgarh), Debari (Udaipur) & Dariba (Rajsamand) in Rajasthan

Rajasthan

Rājasthān the land of Rajasthanis, , is the largest state of the Republic of India by area. It is located in the northwest of India. It encompasses most of the area of the large, inhospitable Great Indian Desert , which has an edge paralleling the Sutlej-Indus river valley along its border with...

, and at Vishakhapatnam in Andhra Pradesh

Andhra Pradesh

Andhra Pradesh , is one of the 28 states of India, situated on the southeastern coast of India. It is India's fourth largest state by area and fifth largest by population. Its capital and largest city by population is Hyderabad.The total GDP of Andhra Pradesh is $100 billion and is ranked third...

.The total metal production was 840,000 tonnes for year 2010-2011.