A 26-year-old man allegedly committed suicide after slitting the throat of his live-in partner in south Delhi's Chhatarpur as he suspected her of infidelity, police said on Tuesday. The deceased man has been identified as Avishek Mondal, they said.

A suicide note was found from the spot in which the man mentioned that he suspected his partner of infidelity and was possessive about her. He had also scribbled on walls and mirror about his doubting the woman, a senior police officer said. On Monday evening, a call was received from a woman that the door of her flat on the first floor in Suman colony in Chhatarpur Extension was locked from inside, he said.