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SECL MS 2026 Countdown | Day-2 | Regulation 153 Standards of Ventilation Complete Revision
Welcome to Day-1 of our special Last Days Revision Series for the SECL Mining Sirdar Examination 2026.
In this video, we discuss Regulation 153 – Standards of Ventilation, one of the most important regulations frequently asked in Mining Sirdar, Overman, and…
June 26, 2026 2.2K
