Third additional district Court Judge B Karthikeyan sentenced Thambi to life imprisonment and also slapped a penalty of Rs 5,000 on him, failing which he would have to undergo another six months imprisonment.
The prosecution case was that Thambi from Perur area here had married one Chandralekha, after leaving his wife and a daughter in 2007.
Chandralekha was already married once.
After he became paralytic and could not go to work, he started suspecting his wife's fidelity. On November 6, 2012, he poured acid on her while she was speaking to a person.
Thambi was arrested soon after. The case had been going on in the Additional District Court.