Ammu set herself on fire after pouring kerosene over her at her village Vippedu near here late last night, they said, adding she was six-months pregnant.
"She was rushed to GH and later shifted to the Kilpauk Government Medical College Hospital in Chennai for treatment for her burn injuries," a police official told PTI.
He said the victim later succumbed to her injuries at the Chennai hospital and in her statement to police before dying, she alleged harassment from her husband as reason for taking the extreme step.
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