The labourers were working inside the 50-feet-deep garnet mine in Rajasthan's Tonk district when a portion of it collapsed.
At least four labourers were trapped under debris as portion of a mine caved-in today in Rajasthan's Tonk district, police said.
The labourers were working inside the 50-feet-deep garnet mine when a portion of it collapsed, they said.
"Rescue operation is on," SHO Duni R Vishnoi said.