Declension table of pradhānapātra

Neuter	Singular	Dual	Plural
Nominative	pradhānapātram	pradhānapātre	pradhānapātrāṇi
Vocative	pradhānapātra	pradhānapātre	pradhānapātrāṇi
Accusative	pradhānapātram	pradhānapātre	pradhānapātrāṇi
Instrumental	pradhānapātreṇa	pradhānapātrābhyām	pradhānapātraiḥ
Dative	pradhānapātrāya	pradhānapātrābhyām	pradhānapātrebhyaḥ
Ablative	pradhānapātrāt	pradhānapātrābhyām	pradhānapātrebhyaḥ
Genitive	pradhānapātrasya	pradhānapātrayoḥ	pradhānapātrāṇām
Locative	pradhānapātre	pradhānapātrayoḥ	pradhānapātreṣu

Compound pradhānapātra -

Adverb -pradhānapātram -pradhānapātrāt