\begin{frame}
    \centering \large{\textbf{Teaching Assistants}}
    \begin{figure}[ht]
        \begin{minipage}[b]{0.23\linewidth}
            \centering
            \includegraphics[width=0.5\textwidth]{ta_images/ananya}
            \caption{Ananya}
            \label{fig:a}
        \end{minipage}
        \begin{minipage}[b]{0.23\linewidth}
            \centering
             \includegraphics[width=0.5\textwidth]{ta_images/gurneet.jpg}
            \caption{Gurneet}
            \label{fig:b}
        \end{minipage}
        \begin{minipage}[b]{0.22\linewidth}
            \centering
            \includegraphics[width=0.5\textwidth]{ta_images/mohan.jpg}
            \caption{Mohan}
            \label{fig:c}
        \end{minipage}
        \begin{minipage}[b]{0.23\linewidth}
            \centering
            \includegraphics[width=0.5\textwidth]{ta_images/purvi.jpeg}
            \caption{Purvi}
            \label{fig:c}
        \end{minipage}
                \begin{minipage}[b]{0.23\linewidth}
            \centering
            \includegraphics[width=0.5\textwidth]{ta_images/preksha.jpg}
            \caption{Preksha}
            \label{fig:c}
        \end{minipage}
        \begin{minipage}[b]{0.23\linewidth}
            \centering
            \includegraphics[width=0.5\textwidth]{ta_images/raviraj.jpeg}
            \caption{Raviraj}   
            \label{fig:b}
        \end{minipage}
        \begin{minipage}[b]{0.23\linewidth}
            \centering
            \includegraphics[width=0.5\textwidth]{ta_images/sanchit.jpg}
            \caption{ Sanchit}
            \label{fig:b}
        \end{minipage}
        \begin{minipage}[b]{0.23\linewidth}
            \centering
            \includegraphics[width=0.4\textwidth]{ta_images/soham.jpg}
            \caption{Soham}
            \label{fig:c}
        \end{minipage}      
        \begin{minipage}[b]{0.23\linewidth}
            \centering
            \includegraphics[width=0.4\textwidth]{ta_images/shweta}
            \caption{Shweta}
            \label{fig:c}
        \end{minipage}   
        \begin{minipage}[b]{0.23\linewidth}
            \centering
            \includegraphics[width=0.4\textwidth]{ta_images/suman.jpg}
            \caption{Suman}
            \label{fig:c}
        \end{minipage} 
    \end{figure}
\end{frame}