\documentclass[a4paper,9pt]{memoir}
\usepackage{style} % Custom style
\usepackage{mnfrontpage} % Front page
\usepackage{kantlipsum} % Dummy text
\title{Mesoscale modeling of microemulsions}
\subtitle{Wonderful physics behind oil and water}
\author{Ramanathan Varadharajan}
\kind{\hfill\the\year} % Optional
\includeonly
{
sections/abstract,
sections/acknowledgements,
sections/introduction,
sections/chapter2,
sections/chapter3,
sections/chapter4,
sections/appendixA,
sections/appendixB,
}
\begin{document}
\frontmatter % Folios in Roman numerals, unnumbered chapters.
\mnfrontpage
\include{sections/abstract}
%\include{sections/acknowledgements}
\cleartorecto
\tableofcontents % Or \tableofcontents*
\cleartorecto
\listoffigures % Or \listoffigures*
\cleartorecto
\listoftables % Or \listoftables*
\mainmatter % Folios in Arabic numerals, numbered chapters.
\include{sections/introduction}
\part{The Zeroth Part}
\include{sections/chapter2}
\part{The First Part}
\include{sections/chapter3}
\include{sections/chapter4}
%\include{sections/chapter5}
\appendix % "Chapter" is renamed "Appendix"
\appendixpage % Similar to \part*{Appendices}, but appears in TOC.
\include{sections/appendixA}
\include{sections/appendixB}
\backmatter % Folios in Arabic numerals, unnumbered chapters.
\printbibliography
\include{sections/acknowledgements}
\end{document}