Declension table of ?niśāvihāra

Masculine	Singular	Dual	Plural
Nominative	niśāvihāraḥ	niśāvihārau	niśāvihārāḥ
Vocative	niśāvihāra	niśāvihārau	niśāvihārāḥ
Accusative	niśāvihāram	niśāvihārau	niśāvihārān
Instrumental	niśāvihāreṇa	niśāvihārābhyām	niśāvihāraiḥ niśāvihārebhiḥ
Dative	niśāvihārāya	niśāvihārābhyām	niśāvihārebhyaḥ
Ablative	niśāvihārāt	niśāvihārābhyām	niśāvihārebhyaḥ
Genitive	niśāvihārasya	niśāvihārayoḥ	niśāvihārāṇām
Locative	niśāvihāre	niśāvihārayoḥ	niśāvihāreṣu

Compound niśāvihāra -

Adverb -niśāvihāram -niśāvihārāt