This file was created with XeLaTeX.
In order to compile the source code, you will need the font, "Ramaraja-Regular.ttf". That font is free software, it is released under the OFL, and therefore distributing vector outlines of it are permissible. You may download the font from here among other places. The font's attribution is Copyright (c) 2012 Silicon Andhra (fonts.siliconandhra.org). Copyright (c) 2010, Sebastian Kosch (sebastian@aldusleaf.org), with Reserved Font Name 'Crimson'.
Source code follows:

\documentclass{article}
\nonstopmode
%\RequirePackage{fix-cm}
\usepackage[margin=0.1in]{geometry}
\geometry{paperwidth=28cm, paperheight=70cm}
\usepackage{fontspec}
\usepackage{makecell}
\usepackage{tipa}
\usepackage{array}
\usepackage{adjustbox}
\usepackage[table,dvipsnames]{xcolor}
\renewcommand\textipa[1]{{\fontfamily{cmr}\tipaencoding #1}}
\renewenvironment{IPA}{\fontfamily{cmr}\tipaencoding}{}
\begin{document}

\newfontfamily\teluguf[SizeFeatures={Size=72}]{"[Ramaraja-Regular.ttf]"}
\newfontfamily\trf[SizeFeatures={Size=24.88}]{"[cmunbx.otf]"}
\newcommand\telugu[1]{\teluguf{\textcolor[rgb]{1,0,0}{#1}}}
\newcommand\tr[1]{\trf{\textcolor{OliveGreen}{#1}}}
\newcommand\ipa[1]{\Huge\begin{IPA}[#1]\end{IPA}}
\definecolor{lg}{gray}{0.8}
\renewcommand\t{\telugu}
\renewcommand\i{\ipa}
\newcolumntype{x}{&gt;{\centering\arraybackslash\hspace{0pt}}p{3.5cm}}

\noindent\adjustbox{min width=\columnwidth}{
{\renewcommand{\arraystretch}{1.25}
\begin{tabular}{|x|x|x|x|x|}\hline
	 &amp; &amp; &amp; &amp; \\
	\telugu{క}\hfill\vfill &amp; \telugu{ఖ} &amp; \telugu{గ} &amp; \telugu{ఘ} &amp; \telugu{ఙ} \\[.5ex]
	\tr{k} &amp; \tr{kh} &amp; \tr{g} &amp; \tr{gh} &amp; \tr{ṅ}\\[.5ex]
	\ipa{k} &amp; \ipa{k\textsuperscript h} &amp; \ipa{g} &amp; \ipa{g\textsuperscript{H}} &amp; \ipa{N} \\[1.5ex]\hline
	%
	 &amp; &amp; &amp; &amp; \\
	\t చ &amp; \t ఛ  &amp; \t జ &amp; \t ఝ &amp; \t ఞ \\[.5ex]
	\tr{c} &amp; \tr{ch} &amp; \tr{j} &amp; \tr{jh} &amp; \tr{\~{n}}\\[.5ex]
	\i{tS} &amp; \i{tS\textsuperscript{h}} &amp; \i{dZ} &amp; \i{dZ\textsuperscript{H}} &amp; \i{\textltailn} \\[1.5ex]\hline
	%
	\cellcolor{lg}{} &amp; &amp; \cellcolor{lg}{} &amp; &amp; \\
	\cellcolor{lg}{\t ౘ} &amp; &amp; \cellcolor{lg}{\t ౙ} &amp; &amp;\\
	\cellcolor{lg}{\tr{ĉ}} &amp; &amp; \cellcolor{lg}{\tr{z}} &amp; &amp;\vfill \\[.5ex]
	\cellcolor{lg}{\i{\texttoptiebar{ts}}} &amp; &amp; \cellcolor{lg}{\i{\texttoptiebar{dz}}} &amp; &amp;\vfill \\[1.5ex]\hline
	%
	 &amp; &amp; &amp; &amp; \\
	\t ట &amp; \t ఠ &amp; \t డ &amp; \t ఢ &amp; \t ణ\\[.5ex]
	\tr{ṭ} &amp; \tr{ṭh} &amp; \tr{ḍ} &amp; \tr{ḍh} &amp; \tr{ṇ}\\[.5ex]
	\i{\:t} &amp; \i{\:t\textsuperscript{h}} &amp; \i{\:d} &amp; \i{\:d\textsuperscript{H}} &amp; \i{\:n}\\[1.5ex]\hline
	%
	 &amp; &amp; &amp; &amp; \\
	\t త &amp; \t థ &amp; \t ద &amp; \t ధ &amp; \t న\\[.5ex]
	\tr{t} &amp; \tr{th} &amp; \tr{d} &amp; \tr{dh} &amp; \tr{n}\\[.5ex]
	\i{t} &amp; \i{t\textsuperscript{h}} &amp; \i{d} &amp; \i{d\textsuperscript{H}} &amp; \i{n}\\[1.5ex]\hline
	%
	 &amp; &amp; &amp; &amp; \\
	\t ప &amp; \t ఫ &amp; \t బ &amp; \t భ &amp; \t మ\\[.5ex]
	\tr{p} &amp; \tr{ph} &amp; \tr{b} &amp; \tr{bh} &amp; \tr{m}\\[.5ex]
	\i{p} &amp; \i{p\textsuperscript{h}} &amp; \i{b} &amp; \i{b\textsuperscript{H}} &amp; \i{m}\\[1.5ex]\hline
	%
	 &amp; &amp; &amp; &amp; \\
	\t ర &amp;\t ఱ &amp; \t ల &amp; \t ళ &amp; \vfill\\[.5ex]
	\tr{r} &amp;\tr{ṛ} &amp;  \tr{l} &amp; \tr{ḷ} &amp; \vfill\\[.5ex]
	\i{r} &amp; \i{\:r} &amp; \i{l} &amp; \i{\:l} &amp; \vfill \\[1.5ex]\hline
	%
	 &amp; &amp; &amp; &amp; \\
	\t వ &amp; \t శ &amp; \t ష &amp; \t స &amp;\vfill\\[.5ex]
	\tr{v} &amp; \tr{ś} &amp; \tr{ṣ} &amp; \tr{s} &amp; \vfill\\[.5ex]
	\i{V} &amp; \i{S} &amp; \i{\:s} &amp; \i{s} &amp; \vfill\\[1.5ex]\hline
	%
	 &amp; &amp; &amp; &amp; \\
	\t హ &amp; \t{క్ష} &amp; \t య &amp; &amp;\vfill\\[.5ex]
	\tr{h} &amp; \tr{kṣ} &amp; \tr{y} &amp; &amp; \vfill\\[.5ex]
	\i{h} &amp; \i{k\:s} &amp; \i{j} &amp; &amp; \vfill\\[1.5ex]\hline
\end{tabular}}}

\end{document}
Own work
Psiĥedelisto