In The Unicode Standard, Modi script implementation is discussed in  Chapter 15 South and Central Asia-IV.

The Modi 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
Modi 11600..1165F 7.0  U11600.pdf

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

2007-05-15 Proposal to Encode North Indian Accounting Signs in Plane 1 of ISO/IEC 10646 — Anshuman Pandey ( WG2 N3312,  L2/07-139)

2007-07-31 Towards an Encoding for North Indic Number Forms in the UCS — Anshuman Pandey ( WG2 N3334,  L2/07-238)

2007-10-07 Proposal to Encode North Indic Number Forms in ISO/IEC 10646 — Anshuman Pandey ( WG2 N3367,  L2/07-354)

2007-10-14 Changes in L2/07-354 North Indic Number Forms (vs. L2/07-139) — Deborah Anderson ( L2/07-390)

2009-09-15 Preliminary Proposal to Encode the Modi Script in ISO/IEC 10646 — Anshuman Pandey ( L2/09-249)

2010-02-24 Revised Code Chart and Names List for the Modi Script — Anshuman Pandey ( WG2 N3780,  L2/10-084)

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

2011-11-05 Proposal to Encode the Modi Script in ISO/IEC 10646 — Anshuman Pandey ( WG2 N4034,  L2/11-212)