Declension table of adhyavasāya

Masculine	Singular	Dual	Plural
Nominative	adhyavasāyaḥ	adhyavasāyau	adhyavasāyāḥ
Vocative	adhyavasāya	adhyavasāyau	adhyavasāyāḥ
Accusative	adhyavasāyam	adhyavasāyau	adhyavasāyān
Instrumental	adhyavasāyena	adhyavasāyābhyām	adhyavasāyaiḥ adhyavasāyebhiḥ
Dative	adhyavasāyāya	adhyavasāyābhyām	adhyavasāyebhyaḥ
Ablative	adhyavasāyāt	adhyavasāyābhyām	adhyavasāyebhyaḥ
Genitive	adhyavasāyasya	adhyavasāyayoḥ	adhyavasāyānām
Locative	adhyavasāye	adhyavasāyayoḥ	adhyavasāyeṣu

Compound adhyavasāya -

Adverb -adhyavasāyam -adhyavasāyāt