Thane: the couple, Kailas Mane and Kamal’s wife, died after their bicycle and the Tempo collided at Shahpur, Thane, on Tuesday.
Their daughter, Janhavi (8), a sustainable injury on the feet was destroyed, breaking her bones.
The doctor said the foot had to be amputated to save the girl’s life, police said.
Tempo driver Jitesh Chaudhari was arrested.
The girl’s relatives said Chuadhari was drunk.