Tata Docomo Photon has launched Photon Max Wi-Fi with free national roaming and offers upto 5 devices connection in one go, existing customers of Tata Docomo Photon can upgrade their services to Wi-Fi by simply buying a new device at just Rs 1999. Moreover there is also a device cash back offer which makes the device free of cost in 13 months. Customers can opt from wide range of Wi-Fi Unlimited plans...