Downloading a scanned copy of Kalnirnay 1985 from torrent sites is technically piracy. The copyright is held by Kalnirnay Publications. However, for , Indian copyright law allows fair dealing for non-commercial purposes.
If the staples have rusted (a common "fix" needed for 80s prints), carefully remove them and replace them with acid-free tape or professional rebinding. Flattening: kalnirnay 1985 marathi calendar fix