The joint report, released by the Department of Industrial Policy and Promotion and the Department of Telecom, said the industry contributes 6.5 per cent to the GDP currently.
"The mobile industry in India, currently contributing 6.5 per cent (USD 140 billion) to country's GDP, and employing over 4 million people (direct and indirect), is projected to grow rapidly in the coming years.
"By 2020, the industry is expected to contribute 8.2 per cent to country's GDP," the report said.
As per the previous data shared by former telecom Minister Ravi Shankar Prasad in Parliament in December, revenue generated by the telecom sector in 2014-15 was Rs 2,42,900 crore, accounting for 1.94 per cent of total GDP.
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However, the ratio of revenue size and its contribution in terms of percentage to the GDP varies every year due to variation in the growth of economy, the minister had said.
In 2011-12, the telecom sector accounted for 2.1 per cent of GDP with revenue of Rs 1,85,930 crore, while in the next year it stood at Rs 2,07,498 crore (2.07 per cent of GDP).
"In terms of unique mobile phone subscribers, India is expected to cross the 1 billion mark by 2020. India will see an increase in adoption of 4G services with number of 4G connections estimated to grow to 280 million by 2020 from just 3 million in 2015," the report said.
Total Foreign Direct Investment in telecom sector from April 2014 to March 2016 was around USD 4.19 billion.
Investment in telecom operator Vodafone lead the chart with investment of USD 1,500.79 million followed by Videocon International Electronics with USD 719.76 million, Telenor USD 573.15 million, Sistema Shyam Teleservices USD 451.83 million, Bharti Infratel USD 240.37 million, Idea Cellular USD 123.22 million.
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