Sukhwinder Singh, who was to attend training for a promotion course, was found dead by a police official who had gone to his residence last late night to intimate him about his medical examination scheduled for today.
According to Amloh DSP Arshdeep Singh, the ASI was allegedly in depression and was also suffering from Asthma and blood pressure.
According to police sources, Singh had reported for duty on August 6, but was not called for duty for the next two days as he had to undergo training.
His wife and daughter were away, tending to an ill relative at the time of the incident.
A post-mortem is being conducted and a case has been registered, the DSP said.
The deceased had two children from his first marriage.