Jio will start charging customers from April 1 , but will offer sharply discounted prices for a year to those who sign up by the end of March under its Prime offer, Reliance Industries chairman and managing director Mukesh Ambani said today. The Prime offer will open for enrolment on March 1 and close on March 31 , Mr Ambani said. Under Jio's Happy New Year offer, customers currently enjoy free data and voice services till March 31, 2017. To enrol for the Prime offer, under which customers will continue to get unlimited benefits, existing and new subscribers of Jio (till March 31, 2017) will have to pay a one-time fee of Rs. 99 . " Mr Ambani described Prime offer benefits as "unlimited mazaa continue hoyinga" , quoting from a popular Mumbai phrase. Jio Prime offer will come at an introductory price of Rs. 303 per month , effectively just Rs. 10 per day , and Prime members will also get media services free till March next year. " Reliance Ji o...