Declension table of ?rāṣṭramukhya

Masculine	Singular	Dual	Plural
Nominative	rāṣṭramukhyaḥ	rāṣṭramukhyau	rāṣṭramukhyāḥ
Vocative	rāṣṭramukhya	rāṣṭramukhyau	rāṣṭramukhyāḥ
Accusative	rāṣṭramukhyam	rāṣṭramukhyau	rāṣṭramukhyān
Instrumental	rāṣṭramukhyeṇa	rāṣṭramukhyābhyām	rāṣṭramukhyaiḥ rāṣṭramukhyebhiḥ
Dative	rāṣṭramukhyāya	rāṣṭramukhyābhyām	rāṣṭramukhyebhyaḥ
Ablative	rāṣṭramukhyāt	rāṣṭramukhyābhyām	rāṣṭramukhyebhyaḥ
Genitive	rāṣṭramukhyasya	rāṣṭramukhyayoḥ	rāṣṭramukhyāṇām
Locative	rāṣṭramukhye	rāṣṭramukhyayoḥ	rāṣṭramukhyeṣu

Compound rāṣṭramukhya -

Adverb -rāṣṭramukhyam -rāṣṭramukhyāt