Overview
- An SIT arrested the mine manager and three mine staff on November 21 after probing the November 15 collapse at M/s Krishna Mining Works in Sonbhadra.
- All four were booked for culpable homicide not amounting to murder following findings of gross negligence and statutory non‑compliance.
- Investigators reported that excessive drilling beyond permissible limits destabilized the quarry and triggered the rock fall.
- During interrogation, the accused admitted they failed to submit mandatory DGMS reports, did not flag irregular drilling or explosives use, and gave no safety briefings.
- An FIR remains in place against the mine owner Madhusudan Singh and contractor Dilip Kesari, with police indicating further arrests are likely as the inquiry continues.