| http://www.w3.org/ns/prov#value | - No roaming charges rule: Telcos to take Rs 13,500-cr hitAt present, GSM operators such as Bharti Airtel, Vodafone and Idea Cellular earn 10-12 per cent of their revenues from the national roaming services, which amount to Rs 10,000-Rs 13,500 crore.
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