\documentclass[12pt]{article}
\usepackage[margin=0.75in]{geometry}
\usepackage{amsmath}
\usepackage{sansmathfonts}
\usepackage{wallpaper}
\pagestyle{empty}

\begin{document}
\ThisCenterWallPaper{1}{gh}
\begin{center}
\sffamily
\Huge\textbf{HONOURS SEMINAR}

\bigskip
\LARGE\textbf{NAME}

\bigskip
\textbf{TITLE}

%\bigskip
%\large
%\textit{Supervised by}

\Large
\bigskip
\textbf{Date
\\Time
\\Location
}
\end{center}

\bigskip

\sffamily\large\noindent\textbf{Abstract:} 

%Place text of abstract here


 \end{document}