New Delhi, July 29 -- It's no secret that Mahindra is gearing up to unveil four new concept vehicles, Vision T, Vision S, Vision X, and Vision SXT, on August 15. The company has been building the buzz with teaser images, giving us a peek at what's coming. The latest teaser reveals the rear look of the Vision SXT, adding to earlier glimpses of the front. These hints are slowly shaping a picture of Mahindra's upcoming SUV and pickup truck range. The new teaser shows that the Vision SXT shares its style with Mahindra's earlier Scorpio-N-based pickup concept. The image shows a flat-bed and two spare wheels at the back, hinting at a practical design. It clearly looks like something built for those who need a tough and functional truck for work...