अक्षरशिक्षा – संस्कृतं/हिन्दी (देवनागरी), तेलुगु उर्दू (नस्तलीख्) च इत्येतासां लिपीनाम् आपार्श्वान्तरात् अक्षरालेख्ययोजनार्थं प्रयासः

उल्लेखाः

ALA-LC (American Library Association – Library of Congress) Romanization Tables
https://www.loc.gov/catdir/cpso/romanization/telugu.pdf
https://www.loc.gov/catdir/cpso/romanization/hindi.pdf
https://www.loc.gov/catdir/cpso/romanization/urdu.pdf

Wiki Resources
https://en.wikipedia.org/wiki/Devanagari transliteration
https://en.wikipedia.org/wiki/International_Alphabet_of_Sanskrit_Transliteration
https://en.wikipedia.org/wiki/Telugu_script
https://en.wikibooks.org/wiki/Urdu/Alphabet
https://en.wikipedia.org/wiki/Urdu_alphabet

Other Useful Resources
https://www.lexilogos.com/
http://www.cle.org.pk/clt09/download/Papers/Paper4.pdf