Declension table of ?nivānyāvatsa

Masculine	Singular	Dual	Plural
Nominative	nivānyāvatsaḥ	nivānyāvatsau	nivānyāvatsāḥ
Vocative	nivānyāvatsa	nivānyāvatsau	nivānyāvatsāḥ
Accusative	nivānyāvatsam	nivānyāvatsau	nivānyāvatsān
Instrumental	nivānyāvatsena	nivānyāvatsābhyām	nivānyāvatsaiḥ nivānyāvatsebhiḥ
Dative	nivānyāvatsāya	nivānyāvatsābhyām	nivānyāvatsebhyaḥ
Ablative	nivānyāvatsāt	nivānyāvatsābhyām	nivānyāvatsebhyaḥ
Genitive	nivānyāvatsasya	nivānyāvatsayoḥ	nivānyāvatsānām
Locative	nivānyāvatse	nivānyāvatsayoḥ	nivānyāvatseṣu

Compound nivānyāvatsa -

Adverb -nivānyāvatsam -nivānyāvatsāt