General public and district administration officials used construction equipment to close the borewell at Pulavanpadi village in Tiruvannamalai district, they said.
Devi, who was rescued from the borewell yesterday after a nine-hour battle by fire and rescue personnel, died after she did not respond to medical treatment.
The victim, daughter of a farming couple, tried to sit on a jute bag yesterday morning which was covering the borewell, dug some few months back, sources said.