The security forces launched a joint raid against terrorists affiliated with Tehrik-i-Taliban Pakistan (TTP) and their facilitators near Choti Zerin, 15 kilometres South of Dera Ghazi Khan district, Pakistan military said.
Ten hardcore terrorists were killed during exchange of fire in which three soldiers also lost their lives, a military statement said.
Two soldiers were also injured in the shooting, it said.
The operation is still going on to flush out more terrorists involved in heinous crimes, ransom and terror activities, the statement said.
Pakistan Army recently claimed to have killed more than 100 suspected terrorists in retaliation to an Islamic State suicide bombing at a crowded Sufi shrine in Sindh province that claimed 88 lives.