The accused, who murdered Chandranath Rath, the personal assistant of BJP leader and West Bengal CM Suvendu Adhikari, used UPI method to pay at a toll plaza, PTI reported citing SIT. They paid the toll for a Nissan Micra car at Bally toll plaza before heading to kill Chandranath. The car blocked Chandranath's car after which bike-borne assailants fired bullets.