The language which enjoys special status in Article 351 of the Constitution of India as the primary source language for the development of the official language is

Article 351 gives Sanskrit special status as the primary source for developing the official language.

Urdu is not named as the primary source language in this article.

Bhojpuri holds no such constitutional status for language development.

Maithili, though a scheduled language, is not the source named here.

The article directs Hindi to draw its vocabulary mainly from Sanskrit.

It aims to enrich Hindi so it can serve as a medium of the composite culture.