Declension table of ?sūryopasthānamantra

Masculine	Singular	Dual	Plural
Nominative	sūryopasthānamantraḥ	sūryopasthānamantrau	sūryopasthānamantrāḥ
Vocative	sūryopasthānamantra	sūryopasthānamantrau	sūryopasthānamantrāḥ
Accusative	sūryopasthānamantram	sūryopasthānamantrau	sūryopasthānamantrān
Instrumental	sūryopasthānamantreṇa	sūryopasthānamantrābhyām	sūryopasthānamantraiḥ sūryopasthānamantrebhiḥ
Dative	sūryopasthānamantrāya	sūryopasthānamantrābhyām	sūryopasthānamantrebhyaḥ
Ablative	sūryopasthānamantrāt	sūryopasthānamantrābhyām	sūryopasthānamantrebhyaḥ
Genitive	sūryopasthānamantrasya	sūryopasthānamantrayoḥ	sūryopasthānamantrāṇām
Locative	sūryopasthānamantre	sūryopasthānamantrayoḥ	sūryopasthānamantreṣu

Compound sūryopasthānamantra -

Adverb -sūryopasthānamantram -sūryopasthānamantrāt