Declension table of saṃvatsara

Masculine	Singular	Dual	Plural
Nominative	saṃvatsaraḥ	saṃvatsarau	saṃvatsarāḥ
Vocative	saṃvatsara	saṃvatsarau	saṃvatsarāḥ
Accusative	saṃvatsaram	saṃvatsarau	saṃvatsarān
Instrumental	saṃvatsareṇa	saṃvatsarābhyām	saṃvatsaraiḥ saṃvatsarebhiḥ
Dative	saṃvatsarāya	saṃvatsarābhyām	saṃvatsarebhyaḥ
Ablative	saṃvatsarāt	saṃvatsarābhyām	saṃvatsarebhyaḥ
Genitive	saṃvatsarasya	saṃvatsarayoḥ	saṃvatsarāṇām
Locative	saṃvatsare	saṃvatsarayoḥ	saṃvatsareṣu

Compound saṃvatsara -

Adverb -saṃvatsaram -saṃvatsarāt