Nearly 10 militant camps were destroyed while large number of ammunition and arms were seized, the provincial government said.
According to Frontier Corps, 40 militants killed as security forces launched an operation against militants in Kalat district's Parodh area.
A large contingent of the forces, backed by local administration, were taking part in the operation.
Frontier Corps Spokesman told Dawn News that ten security personnel also sustained injuries during the operation.
He claimed that the targeted miscreants were involved in recent attacks on passenger trains, security forces and other vital installations in different parts of the province.
Also Read
"There is an intense firing between forces and miscreants", Wasey said.
The situation in the area was tense as the clash between security forces and armed militants continued.
The claims could not be verified by independent sources.
Kalat and Khuzdar are considered to be the most sensitive districts of Balochistan.
Militants in the area have been targeting government properties and security forces for over a decade.
Meanwhile, in another incident, an army helicopter made a mysterious emergency landing on Monday morning in Kalat district of Balochistan .
However, the military's media wing said it was forced to do an emergency landing due to technical glitches.