Declension table of ?dṛṣṭatva

Neuter	Singular	Dual	Plural
Nominative	dṛṣṭatvam	dṛṣṭatve	dṛṣṭatvāni
Vocative	dṛṣṭatva	dṛṣṭatve	dṛṣṭatvāni
Accusative	dṛṣṭatvam	dṛṣṭatve	dṛṣṭatvāni
Instrumental	dṛṣṭatvena	dṛṣṭatvābhyām	dṛṣṭatvaiḥ
Dative	dṛṣṭatvāya	dṛṣṭatvābhyām	dṛṣṭatvebhyaḥ
Ablative	dṛṣṭatvāt	dṛṣṭatvābhyām	dṛṣṭatvebhyaḥ
Genitive	dṛṣṭatvasya	dṛṣṭatvayoḥ	dṛṣṭatvānām
Locative	dṛṣṭatve	dṛṣṭatvayoḥ	dṛṣṭatveṣu

Compound dṛṣṭatva -

Adverb -dṛṣṭatvam -dṛṣṭatvāt