New Delhi, Dec. 6 -- All three private telecom operators in the country, Vodafone Idea Ltd, Bharti Airtel Ltd and Reliance Jio Infocomm Ltd raised prices of their prepaid voice and data services, ending a protracted tariff war that dragged rates to the lowest in the world.

The increases in most plans announced by the three operators on Sunday evening are in the range of 15-47%. While the new tariffs for Vodafone Idea and Bharti Airtel were effective starting Tuesday, Reliance Jio's revised tariffs came into effect on 6 December.

The tariff hike by the three operators isthe first of its kind in more than a decade after years of competition ensured prices of calls and data services hit rock bottom.

The entry of Reliance Jio in September 20...