Bhavna Parmar (30) tried to kill four members of her family by setting them on fire when they were sleeping at their home in Bheemnagar locality late last night. She then set herself ablaze, a police official said.
The woman, her daughters Jyoti (11) and Nikita (9), mother-in-law Nanduben (55) and father-in-law Merubhai (60) were rushed to hospital.
While Bhavna succumbed to her injuries, the four others ware undergoing treatment for severe burn injuries, an official at Gandhigram police station said.
"She poured kerosene on the four members of her family who were sleeping in one room, then poured it on herself before setting them on fire," he said.
"Her husband Rajesh Parmar, who was sleeping in an adjacent room along with their 5-year-old daughter, rushed the victims to the hospital, where Bhavna died," Varu said.
Further investigation is on into the incident, police added.