A 29-year-old man strangulated his two daughters to death using a nylon rope here and later committed suicide,police said today. Urmila (8) and Yogita (3) were killed by Ghanshyam Borse,a resident of Aad-budruk in tribal dominated peint taluka here yesterday. Later Ghanshyam himself ended his life. The reason behind the extreme step is not yet known,but Ghanshyam took the step after his parents went to work and her wife went out to wash clothes,police added.