Sri K SUBRAHMANYAM1 , KATARI ANDRUS2 , KODAMALA SUMANTH BABU3 , THUMATI RAJASEKHAR4 , PATAN AHMED ALI KHAN5 , MADDIBOYINA SOMA SEKHARA RAO6 , KARI KRISHNA CHAITHANYA7 . ZIGBEE BASED INTELLIGENT COAL MINE SAFTEY HELMET SYSTEM. Int. J. Data. Sci. IoT. Manag. Syst. 2026;5(1):1130-1138. doi:10.64751/