NEW JERSEY: An Indian-origin couple and their two children were found dead at their residence in Plainsboro town of New Jersey in US, and the case is being investigated as a homicide, said the Plainsboro Township Police Department.The Plainsboro Township Police Department, in a press release, said that the deceased have been identified as Tej Pratap Singh (43), his wife Sonal Parihar (42) and their two...