Appointment Sumathi Ravichandran promoted to Dy. DG/Chief Postmaster General grade By LO Bureau - June 30, 2021 0 Share FacebookTwitterWhatsAppLinkedinEmailTelegram Sumathi Ravichandran (IPoS:1987) has been promoted to the grade of Senior Deputy Director General/ Chief Postmaster General of the Indian Postal Service for the panel year 2017-18.