ONGC Appoints Arunangshu Sarkar as Additional Director for Technology & Field Services Effective January 1, 2025 Jan. 2, 2025, 4:16 p.m. ONGC has informed the BSE about the appointment of Shri Arunangshu Sarkar as the additional Director for Technology & Field Services.This appointment is effective from January 1, 202ā¦ Unlock the Full Filing And Lot More Access premium insights and stay ahead of the market with Dzambhala Pro. Learn More