To place two separate figures in one column with different captions use the following code \begin{figure}[!h] \begin{minipage}[t]{0.45\linewidth} \centering \includegraphics[width=1\textwidth]{./Graphs/Single/Experimental_temperature.png} \caption{caption1} \label{f1} \end{minipage} \hspace{0.1cm} \begin{minipage}[t]{0.45\linewidth} \centering \includegraphics[width=1\textwidth]{./Graphs/Single/Experimental_temperature.png} \caption{caption2} \label{f2} \end{minipage} \end{figure} \begin{figure} \centering \subfloat[For different temperatures and at $ G=1kW/m^2 $]{\includegraphics[width=0.4\linewidth]{./Graphs/Single/Experimental_temperature.png}% \label{fig_first_case}} \hfil \subfloat[For different values of irradiations and at $ T=25^oC $]{\includegraphics[width=0.4\linewidth]{./Graphs/Single/Experimental_irr-eps-converted-to.pdf}% \label{fig_second_case}} \caption{$I-V$ curve of Single Diode Model of...