\documentclass[conference]{IEEEtran} 
%\usepackage[english]{babel} % To obtain English text with the blindtext package
%\usepackage{blindtext}
\begin{document}

\title{Analysis of bot detection and spam prevention systems} 

\author{\IEEEauthorblockN{Aravinth Manivannan, Sibi Chakkaravarthi}
\IEEEauthorblockA{mCaptcha}}
\maketitle

\input{intro/intro.tex}
\input{pre-req/main.tex}
\input{analysis/main.tex}
\input{case-studies/main.tex}

\input{conclusion.tex}
\end{document}