What is the Full Form of PGT and TGT ?

PGT - Post Graduate Teacher

TGT - Trained Graduate Teacher

PGT
Post Graduate Teacher is a category of teachers, teaching the students of senior classes. A Post Graduate degree in a relevant subject or M.Ed. is required to become a "Post Graduate Teacher".

TGT
Trained Graduate Teacher is a category of teachers, teaching the students of junior classes. A Post Graduate degree or a graduate degree in a relevant subject or B.Ed./M.Ed. is required to become a "Trained Graduate Teacher".