Hi, according to the information on the official website.

Below is the eligibility criteria.

• Teachers working in recognized schools with a minimum of two years of teaching experience.
• Undergraduates or postgraduates in any one of the following subjects:  Botany, Chemistry, English, Geography, History, Mathematics, Computer Science, Tamil, Zoology and Physics.
• Candidate must possess a diploma in Teacher Education from the recognized Teacher Education Institutes.
• Candidates must have had studied subject in their bachelor degree course study related to the subject they choose as major.

Hope this helps.