Coal India Ltd.

website:http://www.coalindia.in/
Coal India Limited (CIL) is an Indian state-controlled coal mining company headquartered in Kolkata, West Bengal, India. It is the largest coal producer company in the world  and contributes around 81% of the coal production in India. It produced 452 million tonnes of coal during FY 2012–13 and earned a revenue of INR 882.81 billion from sale of coal in the same financial year. Union Government of India owns 90% of the shares in CIL and controls the operations of CIL through Ministry of Coal. In April 2011, CIL was conferred the Maharatna status by the Union Government of India. On 31 March 2013, its market capitalisation was INR 1.952 trillion (US $35.9 billion) making it India's 5th most valuable company by market value.

Tata Steel Ltd.

 Website : http://www.tatasteel.com/
The summary page of Tata Steel Ltd. captures the information on its Live Stock Price and Volume, 52 Week High Low, Intraday and Historical Price Chart, Key Ratios, F&O Quotes, Competitors, Comparative Analysis, Buy Sell Recommendations, Company News and Announcements, Shareholding Pattern, Key Quarterly and Annual P&L A/c items, and Community Prediction.
Tata Steel Limited (formerly Tata Iron and Steel Company Limited (TISCO)) is an Indian multinational steel-making company headquartered in Mumbai, Maharashtra, India, and a subsidiary of the Tata Group. It was the 12th largest steel producing company in the world in 2012, with an annual crude steel capacity of 23.8 million tonnes, and the largest private-sector steel company in India measured by domestic production.

Oil And Natural Gas Corporation Ltd.

Website:http://en.wikipedia.org/wiki/Oil_and_Natural_Gas_Corporation
Oil and Natural Gas Corporation Limited (ONGC) is an Indian multinational oil and gas company headquartered in Dehradun, India. It is a Public Sector Undertaking (PSU) of the Government of India, under the administrative control of the Ministry of Petroleum and Natural Gas (MoP&NG). It is India's largest oil and gas exploration and production company. It produces around 69% of India's crude oil (equivalent to around 30% of the country's total demand) and around 62% of its natural gas.
On 31 March 2013, its market capitalisation was INR 2.6 trillion (US$ 48.98 billion), making it India's second largest publicly traded company. In a government survey for FY 2011-12, it was ranked as the largest profit making PSU in India. ONGC has been ranked 357th in the Fortune Global 500 list of the world's biggest corporations for the year 2012. It is ranked 22nd among the Top 250 Global Energy Companies by Platts.

Tata Motors Ltd.

website:http//www.tatamotors.com/
The summary page of Tata Motors Ltd. captures the information on its Live Stock Price and Volume, 52 Week High Low, Intraday and Historical Price Chart, Key Ratios, F&O Quotes, Competitors, Comparative Analysis, Buy Sell Recommendations, Company News and Announcements, Shareholding Pattern, Key Quarterly and Annual P&L A/c items, and Community Prediction.
Tata Motors Limited (formerly TELCO, short for Tata Engineering and Locomotive Company) is an Indian multinational automotive manufacturing company headquartered in Mumbai, Maharashtra, India and a subsidiary of the Tata Group. Its products include passenger cars, trucks, vans, coaches, buses, construction equipment and military vehicles. It is the world's sixteenth-largest motor vehicle manufacturing company, fourth-largest truck manufacturer and second-largest bus manufacturer by volume.

State Bank of India

website:http://www.sbi.co.in/

The summary page of State Bank of India captures the information on its Live Stock Price and Volume, 52 Week High Low, Intraday and Historical Price Chart, Key Ratios, F&O Quotes, Competitors, Comparative Analysis, Buy Sell Recommendations, Company News and Announcements, Shareholding Pattern, Key Quarterly and Annual P&L A/c items, and Community Prediction.
State Bank of India (SBI) is a multinational banking and financial services company based in India. It is a government-owned corporation with its headquarters in Mumbai, Maharashtra. As of December 2013, it had assets of US$388 billion and 16,000 branches, including 190 foreign offices, making it the largest banking and financial services company in India by assets.
State Bank of India is one of the Big Four banks of India, along with ICICI Bank, Punjab National Bank and Bank of Baroda.