\documentclass[11pt, twocolumn]{amsart}
\usepackage[left=2cm,right=2cm,top=2cm,bottom=2cm]{geometry}
\geometry{a4paper}                   % ... or a4paper or a5paper or ... 
%\geometry{landscape}                % Activate for for rotated page geometry
\usepackage[parfill]{parskip}    % Activate to begin paragraphs with an empty line rather than an indent
\usepackage{graphicx}
\usepackage{amssymb}
\usepackage{hyperref}

\title{Group XY: Title here}
\author{Name (roll no), Name (roll no)}
%\date{}                                           % Activate to display a given date or no date

\begin{document}
\vspace*{-1.2cm}
\maketitle

\section{Introduction}
This document is prepared using \cite{key1}. More details of latex can be learnt from here \url{https://en.wikibooks.org/wiki/LaTeX}. Describe the main idea of the project here.

\section{Optimizaton concepts in the project}
Describe which concepts of Optimization are used in the project, and expand up to one page of detail. Your overall report should not exceed one page. You may include appropriate figures if you wish. 


%References
\begin{thebibliography}{9}

%Add one 'bibitem' for each reference. Refer to it in the main text by using the key (see below)
\bibitem{key1}
  Leslie Lamport,
  \textit{\LaTeX: a document preparation system},
  Addison Wesley, Massachusetts,
  2nd edition,
  1994.

\end{thebibliography}

\end{document}  