வகுப்பு 12 – பற்றாக்குறை

Deficiency - General Studies Science - Health and hygiene, Human diseases including Communicable and Non-Communicable diseases Prevention - Zoology free course in Tamil - TNPSC Biology free online course. Study materials for Group 1, Group 2, Group 2A, Group 4, VAO, TNUSRB, TET, TRB.