I need more space after chapter one completion on how to include empty line space in the table of contents.
1 Answer
As you are not providing any MWE, assumed that you are using standard book template, and the MWE is:
\documentclass{book}
\begin{document}
\tableofcontents
\chapter{First chapter}
\section{Test}
\addtocontents{toc}{\vspace{1\baselineskip}}
\chapter{Second Chapter}
\end{document}
