West Punjab
At Independence there was a Muslim majority in West Punjab with significant Hindu and Sikh minority. Nearly all of these minorities left West Punjab for India, to be replaced by large numbers of Muslims fleeing from the opposite direction. The official language of West Punjab was Urdu but most of the population spoke Punjabi using the Shahmukhi script. The linguist George Abraham Grierson in his multi volume Linguistic Survey of India (1904–1928) considered the various dialects up to then called "Western Punjabi", spoken in North, West, and South of Lahore in what is now Pakistani Punjab, as constituting instead a distinct language from Punjabi. (The local dialect of Lahore is the Majhi dialect of Punjabi, which has long been the basis of standard literary Punjabi.) Grierson proposed to name this putative language "Lahnda", and he dubbed as "Southern Lahnda" the coherent dialect cluster now known as Saraiki spoken in Multan Dera Ghazi Khan and Bahawalpur division and "North Lahnda" now known as Potwari spoken in Rawalpindi division and "Western Lahnda" now known as Hindko spoken in the regions bordering Khyber-Pakhtunkhwa.
Baar di Boli
Also, Bahar Di Boli (Punjabi: ਬਾਹਰ ਦੀ ਬੋਲੀ, باہر دی بولی) means language from outside. In this context it refers to the manner in which Punjabi is spoken outside of India and Pakistan. There is no agreed term relating to how to describe the Diaspora's manner of speaking Punjabi, as it is littered with words mostly from English (to a greater extent, especially nouns, than is Punjabi in Punjab) and occasionally other languages, depending upon where the immigrants ended up. Most came to the West or South East Asia. The Western Punjabis have either settled in Great Britain (the highest concentration anywhere in the world outside of South Asia), Canada, and the States. Commonly the literature written in this type of Punjabi is referred to as Parvasi, which literally means Emigre.