Declension table of ?yugasaṃvatsara

Masculine	Singular	Dual	Plural
Nominative	yugasaṃvatsaraḥ	yugasaṃvatsarau	yugasaṃvatsarāḥ
Vocative	yugasaṃvatsara	yugasaṃvatsarau	yugasaṃvatsarāḥ
Accusative	yugasaṃvatsaram	yugasaṃvatsarau	yugasaṃvatsarān
Instrumental	yugasaṃvatsareṇa	yugasaṃvatsarābhyām	yugasaṃvatsaraiḥ yugasaṃvatsarebhiḥ
Dative	yugasaṃvatsarāya	yugasaṃvatsarābhyām	yugasaṃvatsarebhyaḥ
Ablative	yugasaṃvatsarāt	yugasaṃvatsarābhyām	yugasaṃvatsarebhyaḥ
Genitive	yugasaṃvatsarasya	yugasaṃvatsarayoḥ	yugasaṃvatsarāṇām
Locative	yugasaṃvatsare	yugasaṃvatsarayoḥ	yugasaṃvatsareṣu

Compound yugasaṃvatsara -

Adverb -yugasaṃvatsaram -yugasaṃvatsarāt