Declension table of ?saurasaṃvatsara

Masculine	Singular	Dual	Plural
Nominative	saurasaṃvatsaraḥ	saurasaṃvatsarau	saurasaṃvatsarāḥ
Vocative	saurasaṃvatsara	saurasaṃvatsarau	saurasaṃvatsarāḥ
Accusative	saurasaṃvatsaram	saurasaṃvatsarau	saurasaṃvatsarān
Instrumental	saurasaṃvatsareṇa	saurasaṃvatsarābhyām	saurasaṃvatsaraiḥ saurasaṃvatsarebhiḥ
Dative	saurasaṃvatsarāya	saurasaṃvatsarābhyām	saurasaṃvatsarebhyaḥ
Ablative	saurasaṃvatsarāt	saurasaṃvatsarābhyām	saurasaṃvatsarebhyaḥ
Genitive	saurasaṃvatsarasya	saurasaṃvatsarayoḥ	saurasaṃvatsarāṇām
Locative	saurasaṃvatsare	saurasaṃvatsarayoḥ	saurasaṃvatsareṣu

Compound saurasaṃvatsara -

Adverb -saurasaṃvatsaram -saurasaṃvatsarāt