Canvas Blaze will have one sim slot that will work on 3G equivalent CDMA network of MTS and the other will support GSM sim which can work on network of telecom players like Airtel, Vodafone, Idea Cellular etc.
Tata Teleservices along with Samsung recently launched a dual phone called Samsung Duo that supports a CDMA and a GSM SIM connection. Spice, too, has introduced its own rendition with the Spice D88 model that supports both GSM & CDMA connections.