\begin{tabular}{@{\extracolsep{50 pt}ll}
  \textbf{Dr. P. Narayanasamy} & \textbf{Dr. Arul Siromoney}\\
  Head of the Department & Professor\\
  Department of Computer & Department of Computer\\
  Science and Engineering & Science and Engineering\\
  Anna University & Anna University\\
  Chennai - 600025 & Chennai - 600025
\end{tabular}