Ambani said: "Customers should pay for only one service, Ambani said: "Customers should pay for only one service,voice or data not both…. Worldwide operators charge only fordata, and voice and messages are free… All voice calls forJio customer will be absolutely free… The era of paying forvoice calls is ending. Jio will usher India into the new era." He said roaming charges will also be nil across India forJio customers. Stating that the data must be "affordable", he said Jio’sbase rate will be one-tenth of the prevailing data rates. "In our data plans, the effective rates will be 5p per MBor Rs 50 per GB… The more data you use, the lower will bethe rate," he said. Differentiating Jio’s 4G services from others in themarket, he said that pricing strategy should be "simple" forevery India. "There are 22,000 telecom tariffs across country. Jio’spricing strategy only has 10 main plans," he said promisingthat Jio users would also not face any blackout days such asDiwali and New Year when operators tend to charge double. Ambani also announced a discount offer for students underwhich they will get 25 per cent more data on Jio’s tariffs. Under the free welcome offer, which Ambani termed as thelargest introductory offer anywhere in the world, the companyis offering free data, voice and video "to everyone absolutelyfree" starting September 5 till December 31, 2016. PTI MBISA