How to download the  html file, if there  there is no index.html file in some
paths.  For examples below are exmple paths
<https://www.abc.org/abcd/>
<https://www.abc.org/bcde/>
<https://www.abc.org/cdef/>
....

there are no  index.html  files under/abcd, /bcde, /cdef.  But the when
accessing the original site with these links,  page is rendered. When copied
with httrack,  one dummy index file is created  but  page is not rendered. 
Can anyone please help  how  to download the embedded html in the path  and
store as index.html ?