Demographics
The Hindi languages predominate in the Indian states and union territories of Bihar, Chhattisgarh, Delhi, Haryana, Himachal Pradesh, Jharkhand, Madhya Pradesh, Rajasthan, Uttar Pradesh and Uttarakhand.
Distinctive non-standard varieties of Hindi are spoken in large, urban areas outside of the Hindi belt. Most notable of these are those spoken in Mumbai, Kolkata, and Hyderabad. Overseas forms of Hindi are found in Fiji, Guyana, Mauritius, Suriname, and Trinidad and Tobago. Recent immigration to the West – Europe, USA, etc. – has resulted in the establishment of Hindi-speaking communities there as well.
Read more about this topic: Varieties Of Hindi