Raya died drowned while taking a bath in a pond in her village in Sikajyoti, Lagadi Gadayini-6, while Sudaya drowned in Asanpur VDC.
Their bodies were taken out only in the evening.
Three girls drown
A bench comprising Judges Narayan Prasad Paudel, Hemant Rawal, and Umesh Koirala issued the order on Tuesday, allowing the department to proceed with its inquiry.