Tirunelveli Fourth Additional Sessions Court Judge G.Thanendran here on Friday sentenced an accused to undergo life imprisonment. According to prosecution, K. Natarajan (38) of Selva Maruthur, Thisayanvilai threw Anbuselvan (7), son of Lingaraja, into a well. Natarajan developed enmity with his relative Lingaraja over a property dispute. The incident occurred on September 29 in 2011. Thisayanvilai police filed a case and arrested Natarajan following the incident. A fine of Rs.10,000 was also imposed on Natarajan.