Bloomberg Japanese prosecutors are investigating two of the country’s biggest construction companies, Obayashi Corp. and Kajima Corp., for suspected wrongdoing linked to a public-backed $79 billion magnetic-levitation rail network. After local media reported authorities were looking into bid-rigging related to construction of Central Japan Railway Co.’s maglev project, Obayashi Corp. said in a statement that prosecutors had raided its office …

Bloomberg Tata Communications Ltd. will soon hive its property holdings into a separate company, which will subsequently be listed, capping a 15-year effort by the unit of India’s largest conglomerate. The value of the company’s 773 acres of land parcels may be about $4.08 per share, or about 75 billion rupees, according to ICICI Securities Ltd. The spinoff should take …

Bloomberg China’s efforts to tackle air pollution are getting a reality check, with some regions told to revert to burning coal after shortages of natural gas left people without heating amid freezing winter temperatures. Officials in China’s frigid northern provinces were ordered to prioritise keeping citizens warm and areas that hadn’t yet converted fully to gas were permitted to burn …