Bodies of two Dalit girls, aged 13 and 16, have been found on their family farm
A 17-year-old, who was also found at the same spot in Unnao district, is in a serious condition in hospital.
The girls belonged to the same family - the older girls were sisters and the 13-year-old was their cousin.
Their families say they were found on Wednesday evening with their hands and legs tied with their own clothes.