Declension table of ?siddhāntasaṅgraha

Masculine	Singular	Dual	Plural
Nominative	siddhāntasaṅgrahaḥ	siddhāntasaṅgrahau	siddhāntasaṅgrahāḥ
Vocative	siddhāntasaṅgraha	siddhāntasaṅgrahau	siddhāntasaṅgrahāḥ
Accusative	siddhāntasaṅgraham	siddhāntasaṅgrahau	siddhāntasaṅgrahān
Instrumental	siddhāntasaṅgraheṇa	siddhāntasaṅgrahābhyām	siddhāntasaṅgrahaiḥ siddhāntasaṅgrahebhiḥ
Dative	siddhāntasaṅgrahāya	siddhāntasaṅgrahābhyām	siddhāntasaṅgrahebhyaḥ
Ablative	siddhāntasaṅgrahāt	siddhāntasaṅgrahābhyām	siddhāntasaṅgrahebhyaḥ
Genitive	siddhāntasaṅgrahasya	siddhāntasaṅgrahayoḥ	siddhāntasaṅgrahāṇām
Locative	siddhāntasaṅgrahe	siddhāntasaṅgrahayoḥ	siddhāntasaṅgraheṣu

Compound siddhāntasaṅgraha -

Adverb -siddhāntasaṅgraham -siddhāntasaṅgrahāt