b"
Hadhrat Umar \\u0631\\u0636\\u064a \\u0627\\u0644\\u0644\\u0647 \\u062a\\u0639\\u0627\\u0644\\u0649 \\u0639\\u0646\\u0647 writes to Hadhrat Sa'd \\u0631\\u0636\\u064a \\u0627\\u0644\\u0644\\u0647 \\u062a\\u0639\\u0627\\u0644\\u0649 \\u0639\\u0646\\u0647 to invite people to Islam for three days
"