NEW DELHI: Price war in the mobile space has now spilled over to the broadband segment of telecom companies. Bharti Airtel , India’s leading telecom operator, on Tuesday extended its data rollover facility to its home broadband customers, under which its customers will be able to accumulate up to 1,000 GB data.Airtel’s move comes amid Jio’s efforts to roll out its free Jio Fiber Preview offer for its broadband service in select areas of Mumbai, Delhi-NCR, Ahmedabad, Jamnagar, Surat and Vadodara. Jio’s service is widely expected to commercially hit the market around early next year. Vodafone on Tuesday launched data rollover facility for its wireless postpaid users in India through its new Red plans. It has launched three new plans — RED Traveler, RED International and RED Signature.Two of these plans offer free national roaming, free data quotas up to 200 GB, and two months of free Netflix .Airtel had earlier this year rolled out the feature for its postpaid subscribers in the country as part of Project Next.