\documentclass[a4paper,12pt]{report}
\usepackage{graphicx} % inserting images
\usepackage{hyperref} % PDF links
\usepackage{setspace} % for switching between double/single space in document
\usepackage{fancyhdr} % package for changing Headings style
% setting the margins of page
\usepackage[top=3cm,right=3cm,bottom=2.5cm,left=2.5cm]{geometry}                 
\usepackage{xepersian}

% tell tex engine address of folder containing your pictures
\graphicspath{{images/}}

% commands to print the page number in header
\pagestyle{fancy}
\cfoot{}
\lhead{\thepage}

% commands related to XePersian package
\settextfont[Scale=1.1]{XB Zar}
\setdigitfont{XB Zar}
%\setlatintextfont{LinLibertine}
% -------------------------------------

\input{jeld_info}

\begin{document}

\include{cover_fa}
\include{taeid}
\include{abstract_fa}

\pagenumbering{harfi}
\tableofcontents
\listoffigures
\listoftables

% insert each of your chapters with a \inlcude{filename} command as below
\doublespacing
\include{chap1}
\include{chap2}
\include{chap3}
\include{chap4}
\include{chap5}
% -----------------------------------------------------------------------

% If do not have appendix then comment following 3 lines
\appendix
\include{peyvast1}
\include{peyvast2}
% -------------------------------------------------------

\singlespacing
\include{references}
%\include{abstract_en}
%\include{cover_en}

\end{document}