On which date in 2021, the national Energy security Day -2021, was observed across the country?

BUET BSCIC Technical Officer সাধারণ জ্ঞান জাতীয় ও আন্তর্জাতিক দিবস

PSC DOE Office Assistant সাধারণ জ্ঞান জাতীয় ও আন্তর্জাতিক দিবস

PSC BREB Assistant Store Keeper সাধারণ জ্ঞান জাতীয় ও আন্তর্জাতিক দিবস

PSC MinLand Office Assistant Cum Computer Typist BCS 24th BCS Preli - 2003 33rd BCS Preli - 2012 DG Food ASI (Food)/Office Assistant - 2012 Prisons Jail Superintendent - 2013 BBS Statistical Officer - 2017 NSI AD - 2017 NSI Field Officer - 2017 PB Pubali Senior Officer - 2011 KB Karmasangsthan Asst. Officer - 2001 BRDB AO - 2006 Krishi Bank BKB Assistant Officer - 2007 BRDB ARDO - 2006 Pubali Junior Officer - 2011 BREB AD (Admin) - 2023 DSHE Accounts Assistant - 2023 BADC – Driver - 2023 BPDB – Security Guard - 2023 GCPE – Lecturer - 2023 BIMSR – Senior Staff Nurse - 2025 49th BCS Preli - 2025 PBS Feni Meter Reader - 2026 MinLand Office Assistant Cum Computer Typist - 2026 সাধারণ জ্ঞান জাতীয় ও আন্তর্জাতিক দিবস

PSC PBS Feni Meter Reader BCS 24th BCS Preli - 2003 33rd BCS Preli - 2012 DG Food ASI (Food)/Office Assistant - 2012 Prisons Jail Superintendent - 2013 BBS Statistical Officer - 2017 NSI AD - 2017 NSI Field Officer - 2017 PB Pubali Senior Officer - 2011 KB Karmasangsthan Asst. Officer - 2001 BRDB AO - 2006 Krishi Bank BKB Assistant Officer - 2007 BRDB ARDO - 2006 Pubali Junior Officer - 2011 BREB AD (Admin) - 2023 DSHE Accounts Assistant - 2023 BADC – Driver - 2023 BPDB – Security Guard - 2023 GCPE – Lecturer - 2023 BIMSR – Senior Staff Nurse - 2025 49th BCS Preli - 2025 PBS Feni Meter Reader - 2026 MinLand Office Assistant Cum Computer Typist - 2026 সাধারণ জ্ঞান জাতীয় ও আন্তর্জাতিক দিবস

PSC BPSC SAE (Civil) সাধারণ জ্ঞান জাতীয় ও আন্তর্জাতিক দিবস