I am using subcaption
package to plot subfloats in my report. However, the caption for subfigures are not centered. Here is what I have done:
\documentclass[10pt]{report}
\usepackage{epsfig,cite,amsfonts,amssymb,psfrag,balance}
\usepackage[centertags]{amsmath}
\usepackage{amsthm}
\usepackage{newlfont}
\usepackage[ansinew]{inputenc}
\usepackage[justification=centering]{caption}
\usepackage{graphicx,subcaption}
\usepackage{dsfont}
\usepackage{morefloats}
\begin{subfigure}{0.33\textwidth}
\centering
\psfrag{lambda}[][][1.5]{$\log_{10} (\lambda)$}
\psfrag{N}[][][1.5]{Channel Noise Power, $N$}
\resizebox{8cm}{!}{\epsfbox{P3_N_vary.eps}}
\caption{Achievable}
\label{fig:p3_graph1}
\end{subfigure}
\hspace{2.5cm}
\begin{subfigure}{0.33\textwidth}
\centering
\psfrag{lambda}[][][1.5]{$\log_{10} (\lambda)$}
\psfrag{Ps}[][][1.5]{Encoder transmit power, $\ps$}
\resizebox{8cm}{!}{\epsfbox{P3_ps_vary.eps}}
\caption{Achievable }
\label{fig:p3_graph2}
\end{subfigure}
\caption{}
\end{figure}
Am I missing something here? Can somebody help me out please?