In The Unicode Standard, Grantha script implementation is discussed in  Chapter 15 South and Central Asia-IV: Other Historic Scripts.

The Grantha script was encoded in The Unicode Standard version 7.0. The script is now encoded in the following block:

BlocksCharacter RangeAdded in Unicode VersionUnicode chart
Grantha 11300..1137F 7.0  U11300

Vedic Extensions may be used with the Grantha script as well as many other Indic scripts.

Subsequent to version 7.0, the following characters have been added to the script:

CharactersUnicode VersionDocumentation
11300 8.0  WG2 N4432,  L2/13-061
11350 8.0  WG2 N4431,  L2/13-062

Documentation refers to  ISO Working Group and Unicode proposals

A number of proposals for its inclusion have been submitted to the Unicode Technical Committee and WG2:

2005-02-07 Issues in Representation of Indic Scripts in Unicode (Unicode Conference Presentation) — Om Vikas ( L2/05-063)

2008-03-02 Criteria for the encoding of script-specific dandas — Unicode and US National Body ( WG2 N3457,  L2/08-118)

2009-05-09 Re: Grantha Proposal — Gihan Dias ( L2/09-206)

2009-05-11 Encoding of Grantha Script in the Unicode Standard — Swaran Lata ( L2/09-210)

2009-08-01 Proposal to Encode the Grantha Script in the Basic Multilingual Plane (BMP) of ISO/IEC 10646 — Naga Ganesan ( L2/09-141)

2009-08-02 Re: Grantha Proposal — Shriramana Sharma ( L2/09-258)

2009-08-06 Comments on L2/09‐141, Proposal to Encode the Grantha Script... — Kent Karlsson ( L2/09-277)

2009-08-15 Comments on Mr Ganesan’s Grantha Proposal — Shriramana Sharma ( L2/09-316)

2009-09-26 Comments on Kent Karlsson's document L2/09-277 — Shriramana Sharma ( L2/09-324)

2009-10-06 Further clarification on Grantha virama-ligatures — Shriramana Sharma ( L2/09-375)

2009-10-09 Letter from Swaran Lata concerning Grantha Proposal — Swaran Lata ( L2/09-380)

2009-10-11 Why jihvamuliya and upadhmaniya characters are not proposed for Grantha — Shriramana Sharma ( L2/09-373)

2009-10-24 Proposal to encode the Grantha script in Unicode — Shriramana Sharma ( L2/09-372)

2009-10-25 Request for encoding 11355 GRANTHA LENGTH MARK — Shriramana Sharma ( L2/09-374)

2009-10-28 Proposal to Encode the Grantha Script in the Supplementary Multilingual Plane (SMP) of ISO/IEC 10646 (replaces L2/09-141) — Naga Ganesan ( L2/09-345)

2009-11-01 Comment on L2/09-372 (Number of Viramas in closely related Malayalam and Grantha scripts) — Naga Ganesan ( L2/09-405)

2009-11-01 Request for an annotation for the generic Indic dandas — Shriramana Sharma ( L2/09-423)

2010-01-28 Summary and Assessment of Grantha Proposals — Deborah Anderson, Rick McGowan, Ken Whistler ( L2/10-053)

2010-02-02 A note on Grantha OM sign (Comment on L2/10-053) — Naga Ganesan ( L2/10-062)

2010-02-04 Proposal to encode the Grantha script in the BMP of the UCS — M.D. Kulkarni ( L2/10-048)

2010-02-17 Revised Chart and Names List for Grantha based on L2/10-053 — Rick McGowan, Deborah Anderson ( L2/10-071)

2010-03-12 Feedback to Dr Anderson’s Grantha Summary dt 2010-Jan-28 — Shriramana Sharma ( L2/10-085)

2010-05-03 Proposal to encode Grantha Chillu Marker sign in Unicode/ISO 10646 — Naga Ganesan ( L2/10-154)

2010-05-10 Grantha Chillu Marker at U+1134E in Unicode SMP (Comment on Section 8.d, L2/10-167) — Naga Ganesan ( L2/10-194)

2010-06-11 Official submission of a request regarding the Grantha Chillu Marker — Shriramana Sharma ( L2/10-232)

2010-06-20 Request from scholars of the Grantha user community — Scholars on behalf of the traditional Grantha user community in Tamil Nadu ( L2/10-233)

2010-07-09 Proposal to encode Vedic characters for the Grantha script — Shriramana Sharma ( L2/10-235)

2010-07-10 Proposal to encode characters for Extended Tamil — Shriramana Sharma ( L2/10-256)

2010-07-20 Comments on L2/09-345, 10-062 and 10-154 — Shriramana Sharma ( L2/10-267)

2010-07-27 Follow-up #2 to my Grantha proposal L2/09-372 — Shriramana Sharma ( L2/10-259)

2010-07-28 Comments on Grantha OM — Vinodh Rajan ( L2/10-263)

2010-07-31 Tamil Letters with Numbered Superscripts – Comment on L2/10-256 — Naga Ganesan ( L2/10-298)

2010-08-02 Usage Evidence for Grantha OM glyph — Naga Ganesan ( L2/10-274)

2010-08-03 Request from scholars of the Grantha user community #2 — Shriramana Sharma ( L2/10-283)

2010-08-03 Comments on L2/10-194 — Shriramana Sharma ( L2/10-284)

2010-08-04 Comments on Grantha encoding — Krishnamurti Shastri ( L2/10-285)

2010-08-04 Comments on L2/10-274 — Shriramana Sharma ( L2/10-286)

2010-08-06 Comment on L2/10-285: Handwritten styles in Tamil, Grantha, and English scripts — Naga Ganesan ( L2/10-297)

2010-08-09 Proposal for a Grantha Character Name - Ligating Prepausal Virama at U+1134F — Naga Ganesan ( L2/10-303)

2010-08-10 Letter regarding Grantha encoding — Swaran Lata ( L2/10-314)

2010-08-10 Follow-up to L2/10-267 — Shriramana Sharma ( L2/10-328)

2010-08-21 Request to encode 1135D GRANTHA SIGN PLUTA — Shriramana Sharma ( WG2 N4136,  L2/10-331)

2010-08-21 Comments on L2/09-405, L2/10-297, L2/10-298 and L2/10-303 — Shriramana Sharma ( L2/10-332)

2010-08-21 Follow-up to L2/09-374 — Shriramana Sharma ( L2/10-329)

2010-08-26 Revised Chart and Names List for Grantha (replaces L2/10-071; revised) — Rick McGowan, Deborah Anderson ( L2/10-265)

2010-09-06 Request to avoid encoding South Indian abbreviation signs — Shriramana Sharma ( L2/10-266)

2010-09-14 Encoding sub-base Grantha vowel signs for Vocalic L and LL — Shriramana Sharma ( L2/10-341)

2010-09-17 On the GC of 1134D Grantha Sign Virama — Shriramana Sharma ( L2/10-405)

2010-09-30 Naming of Characters in Extended Tamil Block in SMP — INFITT ( L2/10-363)

2010-10-04 Response to L2/10-363 from INFITT — Shriramana Sharma ( L2/10-380)

2010-10-08 Letter regarding Grantha vowelless consonants — T. Ganesan ( L2/10-406)

2010-10-10 Finalizing the Grantha virama model — Shriramana Sharma ( L2/10-404)

2010-10-16 Follow-up #2 to Extended Tamil proposal — Shriramana Sharma ( L2/10-407)

2010-10-18 Unicode Standard for Grantha Script, Summary of the Meeting Sept 6th, New Delhi — Gov't of India / Manoj Jain ( L2/10-409)

2010-10-18 Letter regarding Grantha virama — Krishnaswamy Nachimuthu ( L2/10-414)

2010-10-18 Proposal to encode the Grantha script in Unicode — Gov't of India / Manoj Jain ( L2/10-426)

2010-10-21 Letter regarding Prepausal Virama (Grantha) — Ulrike Niklas ( L2/10-424)

2010-10-22 Response to L2/10-414 on the GRANTHA "PREPAUSAL" VIRAMA — Shriramana Sharma ( L2/10-423)

2010-10-22 Comments on L2/10-256R and L2/10-363 — Vinodh Rajan ( L2/10-425)

2010-10-25 Comment on L2/10-406: Grantha Prepausal Ligated Virama — N. Ganesan ( L2/10-430)

2010-10-29 Consonant Clusters that need 3 sequences in Unicode Encoding in Grantha script — N. Ganesan ( L2/10-447)

2010-11-01 Feedback on Grantha Unicode Committee meeting minutes - reg. — P. R. Nakkeeran ( L2/10-457)

2010-11-01 Response to L2/10-426 and L2/10-447 and any other proposals requesting to add characters to represent Tamil or Tamil Block — Va.Mu.Se. Kaviarasan / INFITT ( L2/10-459)

2010-11-06 Letter from Gov't of Tamil Nadu re Grantha — M. Karunanidhi ( L2/10-464)

2010-11-06 Current GOI Proposal to Unicode Technical Committee on the Grantha script Sudalaimuthu Palaniappan ( L2/10-472)

2010-11-29 Grantha sub-base vocalic L/LL and Vedic Tone Asterisk Above — Peter Constable ( L2/11-351)

2011-01-07 Response to Govt.of India Proposal L2/10-426 — Va.Mu.Se. Kaviarasan ( L2/11-002)

2011-01-14 My views on Encoding Grantha in Unicode — E. Annamalai ( L2/11-006)

2011-01-18 Press release from Gov't Tamil Nadu re Grantha — Va.Mu.Se. Kaviarasan ( L2/11-010)

2011-01-21 Diacritic Marks for Short e & o Vowels (Dravidian and Vedic) in Devanagari (North India) and Grantha (South India) — Naga Ganesan ( L2/11-011)

2011-01-21 Letter from Prof. S. Raju regarding the addition of 5 Dravidian characters to Grantha block in Unicode — Pulavar S. Raju ( L2/11-024)

2011-01-25 Views, opinions and suggestions on Proposals submitted on Grantham, an historic INDIC Script into SMP by learned individuals & Institutions — N. D. Logasundaram ( L2/11-029)

2011-01-27 Letter to Mark Davis from Gov't of India — N. Ravi Shanker ( L2/11-009)

2011-01-30 Opposition to Unification of Grantham and Tamil Scripts in the Unicode — J. Sundaravelu ( L2/11-027)

2011-01-31 Inclusion of Grantha Characters in Tamil writings –Necessity –Regarding — Dr.R.Nagaswamy ( L2/11-025)

2011-01-31 INFITT Working Group comments on the Grantha encoding proposals — Mani Manivannan ( L2/11-026)

2011-01-31 Position of the ICT Agency of Sri Lanka on the encoding of the Grantha Script — Gihan Dias ( L2/11-028)

2011-02-01 Dravidian Letters in Tamil Grantha Script Some Notes in Their History of Use — Naga Ganesan ( L2/11-034)

2011-02-01 Grantha Proposals L2/10-426 and L2/10-447 - Request to scotch the move to sneak non-Tamil (Grantha) characters into Unicode Tamil characters. It is in violation of the Fundamental Rights of 100 million Tamils to conserve and protect our language and script. — Albert Fernando ( L2/11-048)

2011-02-02 Grantha Compromise Chart — Rick McGowan, Deborah Anderson ( L2/11-046)

2011-02-03 An Appeal to the Unicode Tech. Committee — M. Arockiasamy ( L2/11-058)

2011-02-06 Inclusion of Tamil Characters in Proposed Grantham Block — K. Uthayasoorian ( L2/11-056)

2011-02-06 Comments on Tamil Unicode and Grantham Proposals — B. Eraiyarasan ( L2/11-055)

2011-02-07 Requesting the UTC to Reject Proposals to Mix Tamil and Grantha — T. Ramakrishnan ( L2/11-060)

2011-02-08 Comments of the Grantha Proposal — Arivoli Muthukumarasamy ( L2/11-063)

2011-02-10 Two Outstanding Indic-related Topics from November 2010 UTC — Deborah Anderson ( L2/11-073)

2011-02-14 More views, opinions and suggestions as feedback on proposal of encoding Grantham — N. D. Logasundaram ( L2/11-075)

2011-02-18 Dravidian letters in Grantha block in Unicode - regarding — Naga Ganesan ( L2/11-186)

2011-05-09 Letter to Mark Davis from N. Ravi Shanker, Gov't of India — N. Ravi Shanker ( L2/11-182)

2011-05-10 Letter from Gov't of India to Mark Davis, May 10, 2011, re Grantha encoding — N. Ravi Shanker ( L2/11-251)

2011-05-16 Grantha Compromise Chart (replaces L2/11-046) — Rick McGowan, Deborah Anderson ( L2/11-200)

2011-07-22 Proposal to encode the Grantha script in Unicode — Ministry of Communications and Information Technology, Government of India ( WG2 N4135,  L2/11-284)

2011-08-04 Comments on UTC document L2/11-186 — S. Palaniappan ( L2/11-326)

2011-11-04 Proposed Additions to ISO/IEC 10646 — U.S. National Body ( WG2 N4181,  L2/11-330)

2012-01-12 Letter regarding Grantha encoding — Maravanpulavu K. Sachithananthan ( L2/12-054)

2012-01-30 Proposal to add two letters to the Grantha repertoire Michael Everson ( WG2 N4198,  L2/12-039)

2012-01-31 Feedback on Grantha document N4198 L2/12-039 — Shriramana Sharma ( WG2 N4217,  L2/12-059)

2012-04-25 On Grantham encoding in SMP — N. D. Logasundaram ( L2/12-126)
2012-04-30 Re Grantham — N. D. Logasundaram ( L2/12-149)

2012-05-08 Brief Comments on UTC register documents (May 2012) on Grantha script encoding — Naga Ganesan ( L2/12-151)

2012-05-08 Clarification of Grantham comments — N. D. Logasundaram ( L2/12-190)

2012-07-17 Comments on Encoding "Duplicate" Indic Characters — Vinodh Rajan ( L2/12-233)

2012-07-25 Comment on archaic Malayalam glyph II encoding & Grantha writing of Dravidian languages — Naga Ganesan ( L2/12-273)

2012-11-01 Comments on Proposal L2/12-039, "Proposal to add two letters to the Grantha repertoire" — S. Palaniappan ( L2/12-348)

2012-11-01 Letters LLLA and NNNA in Grantha block - Reference documents from experts and users — Naga Ganesan ( L2/12-353)

2012-11-05 Letter re Grantha encoding — Santhalingam Chockaiah ( L2/12-382)

2012-11-06 Comments on Letters LLLA and NNNA in Grantha block — S. Palaniappan ( L2/12-383)

2013-01-28 Grantha, Comment about L2/13-007 — Naga Ganesan ( L2/13-030)

2013-03-04 Proposal to encode 1137D Grantha Sign Combining Anusvara Above — Shriramana Sharma ( WG2 N4432,  L2/13-061)

2013-04-10 Proposal to encode 11350 Grantha Om — Shriramana Sharma ( WG2 N4431,  L2/13-062)

2013-04-14 The Sanskrit language must not be cloned inside the digital world — L D Logasundaram ( L2/13-065)

2013-04-29 Comment on L2/13-062: Grantha OM in U+11350 code point — Naga Ganesan ( L2/13-081)

2013-04-29 Comment on L2/13-065: Grantha characters from other Indic blocks such as Devanagari, Tamil, Bengali are NOT the solution — Naga Ganesan ( L2/13-084)

2013-05-10 Letter from Gov't of India to Lisa Moore re recent documents — Rajendra Kumar ( L2/13-124)

2013-09-04 Request to reallocate one character within the Grantha block — Shriramana Sharma ( WG2 N4479,  L2/13-179)

2013-11-10 Finalizing the Grantha virama model — Shriramana Sharma ( L2/14-002)

2014-01-20 Plain-text Ligating Virama Representation for Grantha script in the Unicode Standard following the model of Malayalam, Grantha’s closest script — Naga Ganesan ( L2/14-020)

2014-04-28 ZWJ Joiner for Chillu Consonants of Grantha Script — Naga Ganesan ( L2/14-097)

2014-05-02 Comments on L2/14-097 re using ZWJ for Grantha "chillus" — Shriramana Sharma ( L2/14-110)

2014-07-21 Control Characters (Joiners ZWNJ and ZWJ) in the Grantha Visible Virama and Chillu Consonants — Naga Ganesan ( L2/14-162)

2014-07-22 Chillu examples — Naga Ganesan ( L2/14-164)

2014-07-28 Recommendations to UTC #140 August 2014 on Script Proposals — Deborah Anderson, Ken Whistler, Rick McGowan, Roozbeh Pournader, Laurentiu Iancu ( L2/14-170)

2014-08-05 Status report on Script Extensions and Indic properties — Roozbeh Pournader ( L2/14-199)

2014-09-11 Unification of Tamil and Grantha numerals — Shriramana Sharma ( L2/14-218)

2014-10-14 ZWJ for Grantha pre-pausal half-consonants (chillus) — Naga Ganesan ( L2/14-279)

2014-10-29 Handling variation in vowelless consonant forms in Grantha — Shriramana Sharma ( L2/14-291)

2015-01-30 Recommendations to UTC #142 February 2015 on Script Proposals — Deborah Anderson, Ken Whistler, Rick McGowan, Roozbeh Pournader, Andrew Glass ( L2/15-045)

2015-02-03 Revised Proposal for Plaintext Grantha Chillu Representation (replaces L2/14-162) — Naga Ganesan ( L2/15-067)

2015-02-19 Representing the fractions 1/4 and 1/20 in Grantha text — Shriramana Sharma ( L2/15-085)

2015-10-26 Proposal to Add Tamil Nukta Character — Martin Hosken ( L2/15-256)

UTC #145 Minutes ( L2/15-254) (See second D.2.1 for decision and action items)

2016-07-26 Character Name of U+1133B — Naga Ganesan ( L2/16-211)

UTC #148 Minutes ( L2/16-203) (See D.13 for decision and action items)

2016-08-02 Request to rename 1133B to GRANTHA SIGN ONE-DOT NUKTA — Shriramana Sharma ( L2/16-224)

2017-07-28 Letter from Thiru T.K.Ramahandran to Lisa Moore (re Combining Bindu) — Gov't Tamil Nadu ( L2/17-290)