Declension table of ?prādhyayana

Neuter	Singular	Dual	Plural
Nominative	prādhyayanam	prādhyayane	prādhyayanāni
Vocative	prādhyayana	prādhyayane	prādhyayanāni
Accusative	prādhyayanam	prādhyayane	prādhyayanāni
Instrumental	prādhyayanena	prādhyayanābhyām	prādhyayanaiḥ
Dative	prādhyayanāya	prādhyayanābhyām	prādhyayanebhyaḥ
Ablative	prādhyayanāt	prādhyayanābhyām	prādhyayanebhyaḥ
Genitive	prādhyayanasya	prādhyayanayoḥ	prādhyayanānām
Locative	prādhyayane	prādhyayanayoḥ	prādhyayaneṣu

Compound prādhyayana -

Adverb -prādhyayanam -prādhyayanāt