The BBC's Rajini Vaidyanathan's image on a smartphone next to some keys and a cup of tea
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Indian internet use to rise fast in 2012

The number of people using the internet in India is set to grow fast in 2012, expected to be driven by the expansion of smartphone use.

But there are many logistical challenges in getting a larger proportion of India's 1.2 billion population online, as the BBC's Rajini Vaidyanathan reports from Mumbai.