The 3G charges for 1GB have been hiked to Rs 299 against Rs 255 earlier valid for a period of 28 days.
Further, 2G charges for 1GB has been raised to Rs 199 compared with Rs 176 valid for a period of 28 days.
The stock opended at Rs 408 and touched a high of Rs 418. At 12:35PM, over 2.5 million shares were traded on both the stock exchanges.