Mohali: The National Investigation Agency (NIA) has started investigating the murder of Punjab’s international Kabaddi player Sandeep Nangal Ambia. The NIA has taken sharp shooters Harry Rajpura and Harry Mode, who worked for terrorists Arsh Dalla and Sukha Dunnike, on remand. Both have been remanded till December 5. Now on Tuesday, both gangsters will be presented again in the NIA Special Court. Both the accused are being interrogated by the NIA Delhi.