"We are excited to launch our new 4G services on the superior 1800 MHz band for our customers. Having launched 4G services in several countries, Vodafone has the requisite expertise and experience to ensure that its service in Delhi/NCR will be best in class," Vodafone India  Business Head for Delhi NCR Apoorva Mehrotra said today.

Vodafone said it has invested more than Rs 350 crore to upgrade the existing voice and data network and installed more than 550 sites in the last six months in the region.

"Key corridors of Delhi/NCR will be part of the first wave of the 4G roll-out, which will be launched across the circle in a phased manner. Testing of 4G services has commenced successfully," Vodafone said.

Delhi and NCR area which includes Noida, Ghaziabad and Gurgaon accounts for around 30 percent of data revenues and is one of the top data markets for Vodafone in India. The region is growing around 50 percent year-on-year for the company.

Bharti Airtel has already started offering the next generation broadband services in Delhi NCR.

Reliance Jio Infocomm also has plans to roll out commercial 4G service in Delhi but it is yet to announce details.