Declension table of mānasa

Masculine	Singular	Dual	Plural
Nominative	mānasaḥ	mānasau	mānasāḥ
Vocative	mānasa	mānasau	mānasāḥ
Accusative	mānasam	mānasau	mānasān
Instrumental	mānasena	mānasābhyām	mānasaiḥ mānasebhiḥ
Dative	mānasāya	mānasābhyām	mānasebhyaḥ
Ablative	mānasāt	mānasābhyām	mānasebhyaḥ
Genitive	mānasasya	mānasayoḥ	mānasānām
Locative	mānase	mānasayoḥ	mānaseṣu

Compound mānasa -

Adverb -mānasam -mānasāt