Jaimiben (35) had four daughters and wanted a boy, police said.
She first poured kerosene on her daughters Mamta (10), Kshama (8), Nayna (5) and Babi (3) and set them on fire before setting herself ablaze.
Jaimiben and three other daughters were charred to death while Mamta survived and was admitted to Rajkot Civil Hospital in a serious condition.
