In The Unicode Standard, Saurashtra script implementation is discussed in  Chapter 13 South and Central Asia-II: Other Modern Scripts.

The Saurashtra script was encoded in The Unicode Standard version 5.1. The script is encoded in the following block:

BlocksCharacter RangeAdded in Unicode VersionUnicode Chart
Saurashtra A880..A8DF 5.1  UA880.pdf

Subsequent to version 5.1, the following characters have been added to the script:

CharactersUnicode VersionDocumentation
A8C5 9.0  WG2 N4590,  L2/14-163

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

2002-12-03 Proposal to encode the Saurashtra script in the UCS — Jeyakumar Chinnakkonda Krishnamoorty, Michael Everson ( WG2 N2549,  L2/03-098)

2003-05-07 Comments on L2/03-098 (Saurashtra) do not print for meeting — Peri Bhaskararao ( L2/03-147)

2003-07-15 Saurashtra Character Properties — Rick McGowan ( L2/03-225)

2003-08-08 Introduction to the Saurashtra Script — Daniel Kai ( L2/03-256)

2003-08-12 Saurashtra "aaytam" character information — C. K. Jeyakumar ( L2/03-245)

2003-08-13 Revised proposal to encode the Saurashtra script in the UCS — Jeyakumar Chinnakkonda Krishnamoorty, Michael Everson ( WG2 N2607,  L2/03-231)

2003-08-13 Lepcha, Limbu, Syloti, Saurashtra, Tai Le and Bugis Proposals — Daniel Kai ( L2/03-253)

2003-08-21 Comments on Proposal to Encode the Saurashtra Script in the UCS — Peri Bhaskararao ( WG2 N2620,  L2/03-277)

2003-09-17 Saurashtra script encoding comments — Rick McGowan ( WG2 N2619,  L2/03-313)

2004-09-15 Saurashtra Linebreaking and Other Properties — Rick McGowan ( WG2 N2875.doc,  L2/04-352)

2005-08-11 Comments on Saurashtra — Michael Everson ( L2/05-232)

2005-09-21 Final revised proposal to encode the Saurashtra script in the UCS — Michael Everson, J. C. Krishnamoorty ( WG2 N2969,  L2/05-222)

2006-03-23 Correction of a Saurashtra character name in PDAM3 — Michael Everson ( WG2 N3058,  L2/06-091)

2006-04-10 Implementation of the Saurashtra script — Deborah Anderson, Ka'onohi Kai ( L2/06-122)

2006-07-28 Saurashtran Haaru consonants in Named Sequences list — Naga Ganesan ( L2/06-251)

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

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)

2014-08-07 Proposal to encode Saurashtra Sign Candrabindu — Vinodh Rajan ( WG2 N4590,  L2/14-163)