I am new to LaTeX. I am not sure how to frame my question. But I will frame it so that it is understandable.
I would like to make a subfigure, but the caption must be
caption of subfigure a-1
caption of subfigure a-2
caption of subfigure b-1
caption of subfigure b-2
`caption of entire figure`
I tried using subfigure, but I am getting continuously
a,b,c,d, but i need to name them as as mentioned above (a-1, a-2, b-1, b-2). In my situation, there are chances that the sub figures might be in different pages.