A man injured in acid attack died while undergoing treatment at hospital in Nadiad town on Saturday and his wife is battling for her life, police said.
The deceased, Mukesh Solanki who belonged to Muvadi village in Kaira district, was an autorickshaw driver.
Mukesh and his wife Daxaben were sleeping outside their house on Thursday night when the accused, identified as Budha Solanki, allegedly flung acid on them, causing serious burn injuries, police said.
Daxaben said in her statement at the hospital that Budha was involved in some dispute with her husband, sub-inspector P S Gadhvi of Chaklasi police station said.
Budha has been booked under sections 302 (murder) and 307 (attempt to murder) of Indian Penal Code and a search is on to trace him, police said.