The premier teacher training institute in Tamil Nadu is the:

District Institute of Education and Training (DIET)
Regional Institute of Education (RIE)
National Institute of Open Schooling (NIOS)
State Council of Educational Research and Training (SCERT)

The correct answer is State Council of Educational Research and Training (SCERT).

SCERT is a premier teacher training institute in Tamil Nadu. It was established in 1962 with the objective of providing quality teacher education to the state. SCERT offers a variety of courses for pre-service and in-service teachers, including Bachelor of Education (B.Ed.), Master of Education (M.Ed.), and Doctor of Philosophy (Ph.D.) in Education. SCERT also conducts research in education and publishes a number of journals and books.

DIET is a district-level teacher training institute. It offers a one-year Diploma in Elementary Education (D.El.Ed.) course. DIETs are affiliated to SCERT.

RIE is a regional-level teacher training institute. It offers a two-year Bachelor of Education (B.Ed.) course. RIEs are affiliated to the National Council for Teacher Education (NCTE).

NIOS is an open school that offers a variety of courses, including secondary school, senior secondary school, and graduate level courses. NIOS is not a teacher training institute.

The following are some of the reasons why SCERT is the premier teacher training institute in Tamil Nadu:

  • SCERT is the oldest teacher training institute in the state. It has a long history of providing quality teacher education.
  • SCERT offers a wide range of courses for pre-service and in-service teachers.
  • SCERT has a strong research focus. It conducts research in education and publishes a number of journals and books.
  • SCERT is well-equipped with facilities for teaching and learning.
  • SCERT has a good reputation among teachers and educationists.