Question

In Hindu mythology, who is the record from Lord Yama, who reads out the soul's account from the great register?

Answer 1

I think you want to say who maintains the record and reads them out...If it that, then Lord Yama's assistant is Chitragupta. He was also his first assistant.

Answer 2

Chitragupta  is the record from Lord Yama, who reads out the soul's account from the great register