Tata Steel aims for JV with South Africa, Vietnam mining firms. (FE)Idea Cellular plans to hive off the six overlapping licences it inherited from Spice Communications it acquired last year into two entities. (ET)Special Undertaking of UTI is looking to divest around 17% stake from its 27.02% holding in Axis Bank within next four months. (ET)Tata Motors may buy the entire stake of its partner, Thonburi Automotive, in the Thailand venture in case the overseas entity is unable to raise fresh equit