India's IT sector focuses on 4G for data transfer

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The scandal surrounding 2G telecom licences continues to make news headlines in India - and the old technology is still a mainstay for mobile phone users there.

It introduced the faster 3rd generation technology but that had limited success.

Now it's launching an even faster 4G technology, which is the next generation of mobile data transfer - but how will it fare?

The BBC's Shilpa Kannan reports from Delhi.

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