Misplaced perforations are very common feature in all East India de la Rue issues because of the very narrow spacings, both vertical and horizontal, between stamps.
So it does not add anything to the value.
East India issues were all issued in sheets of 320 in 4 panes of 80 (8×10) stamps and here is a pane of 80 of Br. India 1865 1A SG 60 which shows horizontally misplaced perforations in every row.
