This adds pages to श्रेणी:पुस्तक विलय करने के लिए.

This template is used to suggest that another page it should be merged the page the template is added to.

{{mergefrom|page to be merged into this one}}

Optionally there are two additional arguments that let you specify a reason for merging and give a custom place for the discussion page to happen.

{{mergefrom|page to be merged into this one|reason for merge|discussion page}}

{{mergeto}}: used to mark the page intended to be the source of the merge.