"Under the revised data benefits, the 3GB 3G/4G monthly recharge pack, which was earlier priced at approximately Rs 650 will now offer 5 GB data, an increase of 67 per cent," Vodafone said in a statement.
Similarly, the Rs 449 scheme of Vodafone for 3G/4G will now offers 50 per cent more data by increasing the data benefit to 3 GB from 2 GB and the Rs 999 3G/4G pack will now offer 10 GB data, which is 54 per cent more benefits.
The development comes within a fortnight after Airtel and Idea slashed data tarrifs.
"The Rs39 2G sachet pack with 5-day validity now offers 225MB data compared to 160 MB, an increase of 41 per cent, while the Rs 12 3G/4G sachet pack with 1-day validity now offers 50 MB data vs 30MB, an increase of 67 per cent," Vodafone said.
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The pack prices mentioned are indicative and may vary from circle to circle, it added.
Incumbents have triggered data war to ward off threat from Mukesh Ambani led Reliance Jio which slashed price of 4G LYF handsets by 25 per cent to Rs 2,999.
The LYF handset comes bundled free Jio SIM. Reliance Jio is offering 90 days of free unlimited 4G mobile internet and voice calling in the SIM cards.