During the period of Delhi Sultanate, which covered most of today's India, eastern Pakistan, southern Nepal and Bangladesh and which resulted in the contact of Hindu and Muslim cultures, the Prakrit base of Old Hindi became enriched with loanwords from Persian, evolving into the present form of Hindustani. However this view is not generally accepted. Some scholars trace the language's first written poetry, in the form of Old Hindi, to as early as 769 AD. The conversion from Hindi to Urdu (or vice versa) is generally achieved just by transliteration between the two scripts, instead of translation which is generally only required for religious and literary texts. The concept of a Hindustani language as a "unifying language" or "fusion language" was endorsed by Mahatma Gandhi. Depending on the social context and geographical area, the language leans towards either side. Hindustani is a pluricentric language, best characterised as a continuum between two standardised registers: Modern Standard Hindi and Modern Standard Urdu. It is an Indo-Aryan language, deriving its base primarily from the Western Hindi dialect of Delhi, also known as Khariboli. 'Language of Gujars') in Gujarat, and as Zabān-e Dehlavi or Urdu around Delhi. Its regional dialects became known as Zabān-e Dakhani in southern India, Zabān-e Gujari ( transl. 'Language of Hindustan'), Rekhta, and Hindi. 'Language of Hindustan'), Hindustan ki boli ( transl. 'Language of India'), Zabān-e Hindustan ( transl.
Īncestors of the language were known as: Hindui, Hindavi, Zabān-e Hind ( transl. 'of Hindustan') is the lingua franca of Northern India and Pakistan in linguistics and some other contexts, it is also known as Hindi–Urdu, (Devanagari: हिंदी-उर्दू, Perso-Arabic: ہندی-اردو). You may need rendering support to display the uncommon Unicode characters in this article correctly. Areas (red) where Hindustani (Delhlavi or Kauravi) is the native language