Ḍal
Ḍal or ḍāl is a letter of the extended Arabic alphabet, derived from dāl by placing a small t̤oʾe on top. It is not used in the Arabic alphabet itself, but is used to represent a voiced retroflex plosive in Urdu, Punjabi written in the Shahmukhi script, and Kashmiri as well as Balochi. The small t̤oʾe diacritic is used to indicate a retroflex consonant in Urdu. It is the twelfth letter of the Urdu alphabet. Its Abjad value is considered to be 4. In Urdu, this letter may also be called dāl-e-musaqqalā or dāl-e-hindiyā. In Devanagari, this consonant is rendered using ‘ड’. It is also used in Beja language as its part of its Arabic alphabet of the Beja language.