Calcutta, Nov 7 :    Calcutta, Nov 7:  Command, one of the two cellular phone service providers in Calcutta, has launched mobile internet service-Commandworld-using Wireless Application Protocol (WAP). Command has tied up with a number of leading portals like NDTV, Business Standard, India Infoline, Sharekhan, India FM and several others to provide mobile internet facility, chief operating officer of Command Rajiv Sawhney told reporters here. The Command subscriber, he said, would be able to get information on various channels like news, finance, entertainment, city, shopping and travel. The service will also facilitate mobile e-commerce, for which the ways and means are being currently worked out.