Declension table of bṛhatkāya

Masculine	Singular	Dual	Plural
Nominative	bṛhatkāyaḥ	bṛhatkāyau	bṛhatkāyāḥ
Vocative	bṛhatkāya	bṛhatkāyau	bṛhatkāyāḥ
Accusative	bṛhatkāyam	bṛhatkāyau	bṛhatkāyān
Instrumental	bṛhatkāyena	bṛhatkāyābhyām	bṛhatkāyaiḥ bṛhatkāyebhiḥ
Dative	bṛhatkāyāya	bṛhatkāyābhyām	bṛhatkāyebhyaḥ
Ablative	bṛhatkāyāt	bṛhatkāyābhyām	bṛhatkāyebhyaḥ
Genitive	bṛhatkāyasya	bṛhatkāyayoḥ	bṛhatkāyānām
Locative	bṛhatkāye	bṛhatkāyayoḥ	bṛhatkāyeṣu

Compound bṛhatkāya -

Adverb -bṛhatkāyam -bṛhatkāyāt