How to be sotapanna

1. Sakkāyadiṭṭhi-no 62 micchādiṭṭhi [62 misunderstanding of distorted conditions], which appeared in the first sutta of tipitaka (brahmajālasutta).
2. Vicikicchā-no any doubt of right understanding of relative conditions and no any doubt of the noble one and their teaching who understanding that relativity.
3. Sīlabbataparāmāsa - no living follow those 62 micchādiṭṭhi.