Have Post Master General powers to joining the post of BPM if they are already resigned?
Answer: Yes, Post Master General have powers to joining the post of BPM if they are already resigned. The post master general has the power to take the resigned GDS BPM and any other employee on the job again. But it depends on their discretion, usually the post master general does not hire any resigned employee again.
By the way, GDS BPM gives its resignation to the Superintendent Superintendent Post Office by giving a written resignation letter.