Declension table of ?gāyatrīrahasya

Neuter	Singular	Dual	Plural
Nominative	gāyatrīrahasyam	gāyatrīrahasye	gāyatrīrahasyāni
Vocative	gāyatrīrahasya	gāyatrīrahasye	gāyatrīrahasyāni
Accusative	gāyatrīrahasyam	gāyatrīrahasye	gāyatrīrahasyāni
Instrumental	gāyatrīrahasyena	gāyatrīrahasyābhyām	gāyatrīrahasyaiḥ
Dative	gāyatrīrahasyāya	gāyatrīrahasyābhyām	gāyatrīrahasyebhyaḥ
Ablative	gāyatrīrahasyāt	gāyatrīrahasyābhyām	gāyatrīrahasyebhyaḥ
Genitive	gāyatrīrahasyasya	gāyatrīrahasyayoḥ	gāyatrīrahasyānām
Locative	gāyatrīrahasye	gāyatrīrahasyayoḥ	gāyatrīrahasyeṣu

Compound gāyatrīrahasya -

Adverb -gāyatrīrahasyam -gāyatrīrahasyāt