Information technology is an important indicator to gauge a country's economic growth and India is no exception. Therefore, organisations, financial bodies and media houses conduct surveys time and again to arrive at revenue structure of reputed IT companies of India.

The top 20 hardware and software companies had average revenues of $2 billion in 2009-10, according to the latest survey conducted byDataquest, CyberMedia group journal.

However, the top 20 companies just about managed to match the Indian gross domestic product growth rate of 8.4 per cent in rupee terms to report a combined revenue of Rs180,193 crore ($39.52 billion) in FY '10 compared to Rs 174,605 crore (Rs 1,746.05 billion) in FY '09, according to the survey. All the company revenues are from April 2009 to March 2010.

Let's take a look at India's top 20 IT companies in India:

1)Hewlett-Packard India, Revenue: Rs 14,992 crore (Rs 149.92 billion) Growth: 16%

2)HCL Infosystems Ltd, Revenue: Rs 11,836 crore (Rs 118.36 billion) Growth: -4%

3)Ingram Micro India, Revenue: Rs 8,824 crore (Rs 88.24 billion) Growth: -6%

4)Redington, Revenue: Rs 7,024 crore (Rs 70.24 billion) Growth: 7%

5)IBM India, Revenue: Rs 5,888 crore (Rs 58.88 billion) Growth: 2%

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