\documentclass[12pt]{report}
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%title page
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\begin{document}
\begin{titlepage}
\begin{center}
\tikz[remember picture,overlay] \node[anchor=north, opacity=0.3,inner sep=10pt, outer sep=5pt] at (current page.north){\includegraphics[width=9cm,height=9cm]{Images/Emblem-Ramakrishna-Mission-Transparent.png}};
\vspace{1cm}
\LARGE\textbf{Ramakrishna Mission Vivekananda Centenary College }
\vspace{1cm}
\large\textrm{Department of Mathematics}
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\vspace{4cm}
\LARGE\textbf{Topic Name}
\vspace{2cm}
\large by
\vspace{1cm}
\LARGE\textbf{Your Name}
\vspace{1cm}
\large Under the supervision of
\vspace{1cm}
\LARGE\textbf{Your Guide Name}
\vspace{2cm}
\LARGE May, 2023
\vspace{2cm}
\large This dissertation is submitted to the Department of Mathematics in partial fulfilment of the requirement for the degree of Master of Science
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\clearpage
\end{center}
\end{titlepage}
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%table of content & Included main body files
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\chapter*{Acknowledgements}
\clearpage
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\chapter*{Declaration}
\clearpage
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\chapter*{Abstract}
\clearpage
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\tableofcontents
\chapter{Introduction}
\input{Main body/chapter1.tex}
\chapter{Chapter Name}
\input{Main body/chapter2.tex}
\appendix
\chapter{Chapter Name}
\input{Main body/chapter4.tex}
\chapter{Chapter Name}
\input{Main body/chapter5.tex}
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\printbibliography
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\end{document}