One hope for that would be Everson Mono:
http://www.evertype.com/emono/
Which does not really work for Devanagari, does it?
------ testfile -------
\documentclass{article}
\usepackage{polyglossia,fontspec}
\setdefaultlanguage{english}
\setotherlanguage{sanskrit}
\usepackage{xunicode}
\defaultfontfeatures{Mapping=tex-text}
\usepackage{libertine}
\newfontfamily\sanskritfont[Script=Devanagari,Mapping=RomDev]{Everson Mono}
\begin{document}
\sanskritfont
\begin{center}
नमः पाश्चात्यगुरुभ्यः येषां मुकुरमानसे ।\\
वाग्देवीहंससौन्दर्यं प्राच्यमीषदबिम्बयत् ॥
\end{center}
\end{document}
---------------
Best,
Jürgen
---
Prof. Dr. Juergen Hanneder
Philipps-Universitaet Marburg
FG Indologie u. Tibetologie
Deutschhausstr.12
35032 Marburg
Germany
Tel. 0049-6421-28-24930
hanne...@staff.uni-marburg.de
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