Conclusion
Technically yes, but those channels are regularly banned for copyright infringement. Moreover, you risk downloading corrupted files.
From the borrowed library copy, photograph or scan only the (fair use for personal study). Compile them into your own "P. Nath summary PDF" – that is legal.
The book is highly recommended because it simplifies complex biological concepts into exam-friendly language.
Disclaimer: This post does not host or link to any copyrighted PDFs. It is intended for educational guidance only.
Conclusion
Technically yes, but those channels are regularly banned for copyright infringement. Moreover, you risk downloading corrupted files.
From the borrowed library copy, photograph or scan only the (fair use for personal study). Compile them into your own "P. Nath summary PDF" – that is legal.
The book is highly recommended because it simplifies complex biological concepts into exam-friendly language.
Disclaimer: This post does not host or link to any copyrighted PDFs. It is intended for educational guidance only.