I am writing my thesis paper in LaTeX. I wrote the title page like below. But whenever I compile the .tex file one extra blank page is added before the title page. I can't figure out why is it happening. Any help?
%%%%%%%%%%%%%%%%%%%%%%%
\documentclass[12pt, twoside, makeidx,a4paper]{report}
\pagestyle{headings}
\usepackage{latexsym,amsfonts,amssymb}
\def\baselinestretch{1.6}
%\usepackage[dvips]{graphicx}
\usepackage{graphicx}
\usepackage{makeidx,paralist,verbatim,psfrag}
\usepackage {amssymb,amsmath,amsfonts}
\usepackage{psfrag}
\usepackage{multirow}
\usepackage{float}
\usepackage{mathtools}
\restylefloat{table}
%%%%%%%%%%%%%%%%%%%%%%
%\usepackage{latexsym,amsfonts,amssymb}
%\usepackage{graphicx,amssymb,}
\def\baselinestretch{1.6}
%\parskip=5pt
\def\squareforqed{\hbox{${\cal Q.E.D.}$}} %modified
\def\qed{\ifmmode\squareforqed\else{\unskip\nobreak\hfil
\penalty50\hskip1em\null\nobreak\hfil\squareforqed
\parfillskip=0pt\finalhyphendemerits=0\endgraf}\fi
\vskip 10pt}
%\topmargin=-.5cm
%\leftmargin=0true cm
%\oddsidemargin=-.5true cm
%\evensidemargin=-.5true cm
\topmargin=-.5cm \leftmargin=.5true cm \oddsidemargin=0true cm
\evensidemargin=0true cm
\textwidth=17cm
\textheight=23cm
\newcounter{linenumber}
\newenvironment{listprog}{%
\begin{list}{%
\footnotesize\arabic{linenumber}}{%
\usecounter{linenumber}%
% \setlength{\baselineskip}{14pt}
\setlength{\itemsep}{0pt}%
\setlength{\parsep}{0pt}}}%
{\end{list}}
\newcommand{\namelistlabel}[1]{\mbox{#1}\hfil}
\newenvironment{listing}[1]{%
\begin{list}{*}{%
\let\makelabel\namelistlabel
\settowidth{\labelwidth}{#1}%
\setlength{\leftmargin}{1.1\labelwidth}%
\advance \leftmargin by 18pt
\setlength{\labelsep}{5pt}%
\setlength{\itemsep}{0pt}%
% \setlength{\parsep}{0pt}%
\setlength{\topsep}{5pt}%
% \setlength{\parskip}{0pt}%
}%
}{%
\end{list}}
\newcommand{\bta}{\hspace{7pt}}
\newcommand{\btb}{\hspace{14pt}}
\newcommand{\btc}{\hspace{21pt}}
\newcommand{\btd}{\hspace{28pt}}
\newcommand{\bte}{\hspace{35pt}}
\newcommand{\btf}{\hspace{42pt}}
\newcommand{\btg}{\hspace{49pt}}
\newcommand{\bth}{\hspace{56pt}}
\newcommand{\bti}{\hspace{63pt}}
\newcommand{\btj}{\hspace{70pt}}
\newcommand{\btk}{\hspace{77pt}}
\newcommand{\btl}{\hspace{84pt}}
\newcommand{\btm}{\hspace{91pt}}
\newcommand{\btn}{\hspace{98pt}}
\newcommand{\bto}{\hspace{150pt}}
\newcommand{\btp}{\hspace{160pt}}
\newcommand{\btq}{\hspace{170pt}}
\newcommand{\btr}{\hspace{180pt}}
\newcommand{\bts}{\hspace{190pt}}
\newcommand{\btt}{\hspace{200pt}}
\newcommand{\btu}{\hspace{210pt}}
\newcommand{\btv}{\hspace{220pt}}
\newcommand{\btw}{\hspace{230pt}}
\newcommand{\btx}{\hspace{240pt}}
\newcommand{\bty}{\hspace{250pt}}
\newcommand{\btz}{\hspace{260pt}}
\newcommand{\Begin} {{\bf begin}}
\newcommand{\End} {{\bf end}}
\newcommand{\If} {{\bf if }}
\newcommand{\Then} {{\bf then }}
\newcommand{\Else} {{\bf else }}
\newcommand{\For} {{\bf for }}
\newcommand{\To} {{\bf to }}
\newcommand{\DownTo} {{\bf downto }}
\newcommand{\Do} {{\bf do }}
\newcommand{\While} {{\bf while }}
\newcommand{\Repeat}{{\bf repeat }}
\newcommand{\Until} {{\bf until}}
\newcommand{\Procedure} {{\bf Procedure }}
\newcommand{\Function} {{\bf Function }}
\newcommand{\Return} {{\bf return }}
\newcommand{\Integer} {{\bf integer}}
\newcommand{\Boolean} {{\bf Boolean}}
\newcommand{\boxbox}{\rule{3mm}{3mm}}
\newcounter{tmp}
\newcommand{\setcount}[2]{\setcounter{#1}{\arabic{#2}}}
\newcommand{\num}[2]{\setcounter{tmp}{\arabic{#1}}\addtocounter{tmp}{#2}{\arabic{section}.\arabic{tmp}}}
\newcommand{\fdeg}{$f$-degree }
\newcommand{\bound}[1]{$#1$-bounded}
\newcommand{\dBound}[1]{$(d_f,#1)$-partition}
\newcommand{\DBound}[1]{$(\Delta,#1)$-partition}
\newcommand{\class}{${\cal C}$}
\newcommand{\Delt}{\Delta_{f}}
\newcommand{\chr}{\chi^\prime}
\newcommand{\case}[1]{\noindent{\em Case} #1: }
\newcommand{\Case}[1]{\noindent{\em Case} #1: }
\newcommand{\minvp}{\min\{\#\varphi,\#\psi\}}
\newtheorem{lemma}{Lemma}[section]
%\newtheorem{theorem}{Theorem}%[section]
\newtheorem{theorem}[lemma]{Theorem}
\newtheorem{corollary}[lemma]{Corollary}
\newtheorem{fact}[lemma]{Fact}
\newcommand{\proof}{\noindent {\bf Proof.} \ \ }
%\newcommand{\proofend}{\begin{flushright${\cal Q.E.D.}$\end{flushright}}
%\newcommand{\proofend}{
% {\hfill{${\cal Q.E.D.}$}}
%
% \ }
\newcommand{\dvgraph}{divided vertex graph}
\newcommand{\wrt}{with respect to }
\newcommand{\A}{{\cal A}}
\newcommand{\D}{{\cal D}}
\newcommand{\E}{{\cal E}}
\newcommand{\F}{{\cal F}}
\newcommand{\G}{{\cal G}}
\renewcommand{\H}{{\cal H}}
\newcommand{\I}{{\cal I}}
\renewcommand{\L}{{\cal L}}
\newcommand{\LC}{L^*}
\newcommand{\aaa}{{\"a}}
\newcommand{\pp}{{\prime\prime}}
\newcommand{\ppp}{{\prime\prime\prime}}
\newcommand{\Eq}[1]{(\ref{#1})}
\newcommand{\lsup}{\beta_{\rm sup}}
\newcommand{\color}[1]{\lceil (#1+2)^2/2\rceil}
\newcommand{\gcolor}{\lceil 72(g(G)+2)^2/5\rceil}
\newcommand{\newsubset}{$\subseteq$\hspace{-7pt}{$_{_/}$}}
\renewcommand{\bibname}{References} % without this line the Refenrence will be replaced by bibliography
\makeindex
\makeglossary
\begin{document}
\bibliographystyle{plain}
\def\baselinestretch{1.1}
\title{{\large B.Sc. Engg. Thesis}\\
\vspace{2cm}
\textbf{On Cover Contact Graphs}}
\author{ By \\
Md. Taufique Hussain \\
Student No. 0805050 \\
Shohedul Hasan \\
Student No. 0805060\\
\vspace{2cm}
\\
{ Submitted to}\\
{Department of Computer Science and Engineering} \\
{ in partial fulfilment of the requirements for the
degree of}\\
\vspace{3cm}
{ Bachelor of Science in Computer Science and Engineering}\\
%\vspace{3cm}
%{(Preliminary version)}\\
{ Department of Computer Science and Engineering}\\
{ Bangladesh University of Engineering and Technology (BUET)}\\
\vspace{1cm}
{ Dhaka-1000}
}
\date{June 13, 2014}
\maketitle
\pagenumbering{arabic}
%\input board.tex \newpage
%\input declaration.tex \newpage
\def\baselinestretch{1.55}
\normalsize{
\tableofcontents \newpage
\listoffigures \newpage
\listoftables
\newpage
}
\def\baselinestretch{1.6}
\normalsize{
%\input Acknowledgement.tex \newpage
%\input Abstract.tex \newpage
}
\def\baselinestretch{1.8}
%\input Chap_1.tex %introduction
%\input Chap_2.tex %preliminery
%\input Chap_3.tex %CCG of convex point sets
%\input chap4.tex %CCG of non-convex point sets
%\input Chap_5.tex %Conclusion
%\input chap6.tex
%\input publication.tex
%\input references.tex
%
%\input conclusion.tex
%
%\bibliography{Book,PhDThesis,Journal,Proceeding,Report,Manuscript,Zhou,Zhou.world}
%
%\newpage
% \printmypapers
%
%
%
\newpage
\printindex
%
%\newpage
%\printglossary
\end{document}
\pagenumbering{arabic}after\maketitle. Wild guess in the absence of complete mwe.;-);-)