Declension table of ?vimānagamana

Neuter	Singular	Dual	Plural
Nominative	vimānagamanam	vimānagamane	vimānagamanāni
Vocative	vimānagamana	vimānagamane	vimānagamanāni
Accusative	vimānagamanam	vimānagamane	vimānagamanāni
Instrumental	vimānagamanena	vimānagamanābhyām	vimānagamanaiḥ
Dative	vimānagamanāya	vimānagamanābhyām	vimānagamanebhyaḥ
Ablative	vimānagamanāt	vimānagamanābhyām	vimānagamanebhyaḥ
Genitive	vimānagamanasya	vimānagamanayoḥ	vimānagamanānām
Locative	vimānagamane	vimānagamanayoḥ	vimānagamaneṣu

Compound vimānagamana -

Adverb -vimānagamanam -vimānagamanāt