Govind Nishad and Sushil Shukla of Hussainganj village in Uttar Pradesh's Fatherpur district had stepped into the 13- feet deep line of the brick kiln to rectify a fault.
They fell unconscious. Other labourers pulled them out with the help of a rope, SHO Chanwaji Rajveer Singh said.
The duo were rushed to a hospital where they were declared brought dead.
Police said the brick kiln owner is on the run after the incident. A case has been registered against him.