After Reliance Jio and Bharti Airtel, Vodafone Idea has announced an increase in prices of prepaid and postpaid plans. It has hiked the tariffs by 10-21%, which will come into effect from July 4. The ₹179 prepaid plan for unlimited calling and 2GB data with 28-day validity now costs ₹199, while the annual ₹2,899 plan is now priced at ₹3,499.