The official Osho World app (available on Google Play) allows you to stream and download Osho discourses. While primarily audio, many Telugu users report that the app links to "Read Online" versions that can be exported as PDFs. This is the most ethical source.
Alternatively, would you like help finding digital platforms for these books? Osho Books | Pustakanidhi - Online Book Store osho books pdf telugu portable
Finding these books in a portable digital format is easiest through specialized spiritual and archival websites: Osho World & Osho Library The official Osho World app (available on Google
Readability and format
— A massive collection, primarily in English but containing some related spiritual texts. osho books pdf telugu portable