You can insert the N-LIST Search box in your library using the following HTML text in your library website. Copy the following text and paste anywhere in your website.
<form method="get" action="https://nlist.inflibnet.ac.in/search/Search/Results" name="searchForm" id="searchForm" class="search">
<label for="searchForm_lookfor" class="offscreen">Your search terms</label>
<input id="searchForm_lookfor" type="text" name="lookfor" size="40" value="" class="autocomplete searcher:Solr typeSelector:searchForm_type"/>
<label for="searchForm_type" class="offscreen">Search Type</label>
<select id="searchForm_type" name="type" data-native-menu="false">
<option value="AllFields">All Fields</option>
<option value="Title">Title</option>
<option value="Author">Author</option>
<option value="Subject">Subject</option>
<option value="CallNumber">Call Number</option>
<option value="ISN">ISBN/ISSN</option>
<option value="tag">Tag</option>
</select>
<input type="submit" name="submit" value="Find"/>
</form>