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Group Indic (with Vedic and Sanskrit), New Indic (with Hindi, Marathi etc.)
Geography The official tongue of the Indian state of Punjab and the province of Pakistan with the same name. The majority of its speakers live in Pakistan (about 50 million people), the remaining 20 million are residents of India. 
History Literature works in Punjabi are witnessed from the 12th century, but it became really spread when Sikh religion appeared in the 16th century in India and Pakistan. 
Phonetics The most important feature of Punjabi which makes its phonetics very much unlike that of its neighbours: it developed a system of tones which change the meaning of the word. This was accompanied by the loss of voiced aspirated consonants.
Morphology In morphology, Punjabi does not differ much from its relatives Hindi (Urdu) and Sindhi.
Writing Gurmukhi script (India), Urdu script (Pakistan)
Close Contacts Punjabi actually consists of several dialectal subgroups which are now in process of becoming independent languages (Majhi, Siraiki, Hindko, Dogri); the closest relative which fell apart from Punjabi not long ago is Lahnda.
Sample  
Picture A tomb in Multan, Pakistan
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