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‘ISO 15919 Transliteration of Devanagari and related Indic scripts into Latin characters,’ passed into a standard in 2001, officially provides for a seven-bit scheme for Bengali transliteration, using the printable ASCII repertoire. There have been some other schemes employed mostly for Nagari that could be extended to Bengali.
| Bengali | ISO diacritic | ISO 7-bit | XHK | Velthuis | ITRANS |
| অ | a | a | a | a | a |
| আ | ā | aa | A | aa | A |
| ই | i | i | i | i | i |
| ঈ | ī | ii | I | ii | I |
| উ | u | u | u | u | u |
| ঊ | ū | uu | U | uu | U |
| ঋ | r̥ | ,r | R | .r | RRi |
| ৠ | r̥̄ | ,,r | RR | .r | RRI |
| ঌ | l̥ | ,l | LR | .l | LLi |
| ৡ | l̥̄ | ,,l | LRR | .l | LLI |
| এ | e | e | e | e | e |
| ঐ | ai | ai | ai | ai | ai |
| ও | o | o | o | o | o |
| ঔ | au | au | au | au | au |
| ক | k | k | k | k | k |
| খ | kh | kh | kh | kh | kh |
| গ | g | g | g | g | g |
| ঘ | gh | gh | gh | gh | gh |
| ঙ | ṅ | ;n | G | "n | ~N |
| চ | c | c | c | c | ch |
| ছ | ch | ch | ch | ch | Ch |
| জ | j | j | j | j | j |
| ঝ | jh | jh | jh | jh | jh |
| ঞ | ñ | ~n | J | ~n | ~n |
| ট | ṭ | .t | T | .t | T |
| ঠ | ṭh | .th | Th | .th | Th |
| ড | ḍ | .d | D | .d | D |
| ঢ | ḍh | .dh | Dh | .dh | Dh |
| ণ | ṇ | .n | N | .n | N |
| ত | t | t | t | t | t |
| থ | th | th | th | th | th |
| দ | d | d | d | d | d |
| ধ | dh | dh | dh | dh | dh |
| ন | n | n | n | n | n |
| প | p | p | p | p | p |
| ফ | ph | ph | ph | ph | ph |
| ব | b | b | b | b | b |
| ভ | bh | bh | bh | bh | bh |
| ম | m | m | m | m | m |
| য | y | y | y | y | y |
| র | r | r | r | r | r |
| ল | l | l | l | l | l |
| শ | ś | ;s | z | "s | sh |
| ষ | ṣ | .s | S | .s | Sh |
| স | s | s | s | s | s |
| হ | h | h | h | h | h |
| ড় | ṛ | .r | P | R | .D |
| ঢ় | ṛh | .rh | Ph | Rh | .Dh |
| য় | ẏ | ;y | Y | .y | Y |
| ৎ | T | ||||
| ং | ṁ | ;m | M | .m | M |
| ঃ | ḥ | .h | H | .h H | H |
| ঁ | m̐ | ~ | & | ~m | .N |
Revised: i·xi·mmxxii