Punjab, Pakistan
The major and native language spoken in the Punjab is Punjabi (which is written in a Shahmukhi script in Pakistan) and Punjabis comprise the largest ethnic group in country. Punjabi is the provincial language of Punjab, but is not given any official recognition in the Constitution of Pakistan at the national level.
Punjabi language
Both federal and state laws specify the use of Punjabi in the field of education. The state of Punjab uses the Three Language Formula, and Punjabi is required to be either the medium of instruction, or one of the three languages learnt in all schools in Punjab. Punjabi is also a compulsory language in Haryana, and other states with a significant Punjabi speaking minority are required to offer Punjabi medium education.