Declension table of ?dṛṣṭamātra

Masculine	Singular	Dual	Plural
Nominative	dṛṣṭamātraḥ	dṛṣṭamātrau	dṛṣṭamātrāḥ
Vocative	dṛṣṭamātra	dṛṣṭamātrau	dṛṣṭamātrāḥ
Accusative	dṛṣṭamātram	dṛṣṭamātrau	dṛṣṭamātrān
Instrumental	dṛṣṭamātreṇa	dṛṣṭamātrābhyām	dṛṣṭamātraiḥ dṛṣṭamātrebhiḥ
Dative	dṛṣṭamātrāya	dṛṣṭamātrābhyām	dṛṣṭamātrebhyaḥ
Ablative	dṛṣṭamātrāt	dṛṣṭamātrābhyām	dṛṣṭamātrebhyaḥ
Genitive	dṛṣṭamātrasya	dṛṣṭamātrayoḥ	dṛṣṭamātrāṇām
Locative	dṛṣṭamātre	dṛṣṭamātrayoḥ	dṛṣṭamātreṣu

Compound dṛṣṭamātra -

Adverb -dṛṣṭamātram -dṛṣṭamātrāt