House of a cement flooring manufacturer at Varapalayam in Thokavadi village was burgled on Monday night.
The police said that Shankar and his family members who had taken the house on rent had gone to Gingee in Villupuram district to attend a marriage function.
On Tuesday morning his relatives informed him that the back door of his house was remaining open.
Saravanan (45) of Vepanampudur near here ended his life during the late hours of Monday by consuming poison.
The police said that he had made three attempts to end his life on earlier occasions. He consumed poison and informed his family members. He died on way to Salem Government Hospital.
The police arrested K. Rajendran (46), a farmer of R. Pudupatti village near Namagiripettai in Rasipuram taluk, on Tuesday on the charge of possessing a gun without a license.
Forest Department personnel seized the gun that he had hidden in a cattle shed and handed it over to the police.