Kamsu vinod chowdary,
For succeeding in OAVS examination, you have to score marks in English, Language, Current Affairs, Test of Reasoning, Teaching Methodology and Science(Physics, Chemistry and Biology). For getting knowledge in Current Affairs and Test of Reasoning, you can refer books published by Competition Success Review (CSR) Pvt Ltd, New Delhi. For Teaching Methodology questions, you can refer your own B.Ed study materials or IGNOU B.Ed study materials. In case of English, Language and Science questions, you can expect very basic level questions in the level of Higher Secondary Course. It is better to go through X, XI and XII std English, Language and Science books for the preparation of OVAS exam. For getting eligibility for the post of TGT, you have to score minimum 60% of marks in the examination. Selection will be based on merit and it depends upon number of posts available.