Airtel 

Following the footprints of Airtel, Vodafone Idea hiked the prices for all prepaid mobile plans on November 23. The base plan of the Vodafone Idea has been increased to Rs 99 from 79. The popular plan of Rs 599 will cost Rs 719. The annual plan of Rs 2,399 registered a hike of Rs 500. However, the company said the tariff will be effective from November 25 in India.