A 22-year-old polytechnic student committed suicide by hanging himself in his house in Purbo Bhatara area of the capital on Thursday night, police said. Hasibul Hasan Shanto, was son of Abul Khayer and student of Civil Engineering discipline of a private polytechnic college in the capital.    Mohammad Golam Mostafa, a sub-inspector of Bhatara Police Station, said on information they recovered the body hanging from the ceiling with a bed sheet in his room in the morning.   Read more: Housewife 'commits suicide' in Kamrangirchar Later, the body was sent Dhaka Medical College Hospital morgue for autopsy, he said adding that Shanto committed the suicide in between 9pm to 12am on Thursday night. The reason behind the apparent suicide could not be known, the SI said, suspecting that the student might have faced problems from his family.