A. Hazrat Salman Farsi (R.A)
B. Hazrat Assad Ullah (R.A)
C. Hazrat Ubaidullah (R.A)
D. Hazrat Umar (R.A)
Who gave the idea to dig trenches in the Battle of Khandaq?
Hazrat Salman the Persian (R.A) was the first to propose the defensive trench strategy.
In under 6 days, every skilled Muslim in Medina, including Hazrat Muhammad (PBUH), helped to dig the enormous trench.