Declension table of ?nirdeśaka

Neuter	Singular	Dual	Plural
Nominative	nirdeśakam	nirdeśake	nirdeśakāni
Vocative	nirdeśaka	nirdeśake	nirdeśakāni
Accusative	nirdeśakam	nirdeśake	nirdeśakāni
Instrumental	nirdeśakena	nirdeśakābhyām	nirdeśakaiḥ
Dative	nirdeśakāya	nirdeśakābhyām	nirdeśakebhyaḥ
Ablative	nirdeśakāt	nirdeśakābhyām	nirdeśakebhyaḥ
Genitive	nirdeśakasya	nirdeśakayoḥ	nirdeśakānām
Locative	nirdeśake	nirdeśakayoḥ	nirdeśakeṣu

Compound nirdeśaka -

Adverb -nirdeśakam -nirdeśakāt