Declension table of ?svavargya

Neuter	Singular	Dual	Plural
Nominative	svavargyam	svavargye	svavargyāṇi
Vocative	svavargya	svavargye	svavargyāṇi
Accusative	svavargyam	svavargye	svavargyāṇi
Instrumental	svavargyeṇa	svavargyābhyām	svavargyaiḥ
Dative	svavargyāya	svavargyābhyām	svavargyebhyaḥ
Ablative	svavargyāt	svavargyābhyām	svavargyebhyaḥ
Genitive	svavargyasya	svavargyayoḥ	svavargyāṇām
Locative	svavargye	svavargyayoḥ	svavargyeṣu

Compound svavargya -

Adverb -svavargyam -svavargyāt