PATIALA: An Indo-Tibetan Border Police (ITBP) deputy commandant was found hanging at the unit mess on Saturday, with Punjab Police sources saying a note was found on the spot that accused a Bihar Police officer of molesting the deceased’s sister and blamed him for the suicide.The deceased officer was recently posted in Patiala. On Saturday, his family alerted colleagues that he wasn’t answering phone calls. A mess commander went to check on him and found the room locked from inside. When repeated knocks went unanswered, ITBP men broke open a window and saw him hanging. They took the 47-year-old to hospital where he was declared dead.Police found a suicide note accusing a Bihar Police SHO of misconduct and harassment. The suicide is under investigation and further action will be taken as per directions of senior officers, police said.