\documentclass[12pt]{report}
\usepackage[utf8]{inputenc}
\usepackage{graphicx}
\graphicspath{{images/}}
\title{
{\includegraphics[scale=0.3]{university.jpg}}\\
{Understanding the Transformer Models}\\
{\large Institution Name}
}
\author{Author Name}
\date{Day Month Year}
\begin{document}
\maketitle
\chapter*{Abstract}
Sagnik Sarkar NIT Hamirpur
\chapter*{Declaration}
I declare that
\chapter*{Acknowledgement}
I want to thank
\tableofcontents
\chapter{Introduction}
\input{chapters/introduction}
\chapter{Chapter 2 Title}
\input{chapters/chapter02}
\chapter{Chapter 3 Title}
\input{chapters/chapter03}
\chapter{Chapter 4 Title}
\input{chapters/chapter04}
\appendix
\chapter{Appendix Title}
\input{chapters/appendix}
\maketitle
\end{document}