\documentclass[12pt,notitlepage,oneside,a4paper]{book}

\usepackage{fullpage}
\usepackage{makeidx}
\usepackage{url}
\usepackage{amsmath}
\usepackage{graphicx}
\usepackage{subfigure}
\usepackage{algorithm}
\usepackage{algpseudocode}

\makeindex

\setcounter{secnumdepth}{3}
\setcounter{tocdepth}{3}

\begin{document}
\renewcommand{\baselinestretch}{1.5}\normalsize
\pagestyle{plain}
%\pagestyle{headings}

%\input coverpage.tex
\input frontpage.tex
\newpage
\pagenumbering{roman}
%\vspace{-2cm}

\input declaration.tex
\input abstract.tex

\tableofcontents
\listoffigures
\listoftables

%\input ack.tex
\input Introduction.tex



%\input psf.tex

\newpage
\pagenumbering{arabic}

%\input pub.tex


\newpage
\renewcommand{\bibname}{References}
\addcontentsline{toc}{chapter}{References}


\newpage
\addcontentsline{toc}{chapter}{Index}
\printindex

\bibliographystyle{plain}
\bibliography{thesis}


\end{document}