Declension table of ?karmasaṃvatsara

Masculine	Singular	Dual	Plural
Nominative	karmasaṃvatsaraḥ	karmasaṃvatsarau	karmasaṃvatsarāḥ
Vocative	karmasaṃvatsara	karmasaṃvatsarau	karmasaṃvatsarāḥ
Accusative	karmasaṃvatsaram	karmasaṃvatsarau	karmasaṃvatsarān
Instrumental	karmasaṃvatsareṇa	karmasaṃvatsarābhyām	karmasaṃvatsaraiḥ karmasaṃvatsarebhiḥ
Dative	karmasaṃvatsarāya	karmasaṃvatsarābhyām	karmasaṃvatsarebhyaḥ
Ablative	karmasaṃvatsarāt	karmasaṃvatsarābhyām	karmasaṃvatsarebhyaḥ
Genitive	karmasaṃvatsarasya	karmasaṃvatsarayoḥ	karmasaṃvatsarāṇām
Locative	karmasaṃvatsare	karmasaṃvatsarayoḥ	karmasaṃvatsareṣu

Compound karmasaṃvatsara -

Adverb -karmasaṃvatsaram -karmasaṃvatsarāt