Every nation needs some marks of identity. Language is the prime mark of identification of any nation. Pakistan is a federation of four provinces and its national language is Urdu. Quaid-e-Azam also declared Urdu as the national language of Pakistan.
Source of Unity: The national language creates a feeling of unity and national cohesion. People living in different provinces realize that in spite of speaking different languages.
Source of Communication: People speak different languages in different provinces. However, Urdu is spoken and understood in all provinces of Pakistan.
Role in Pakistan Movement: In the early stages of Pakistan Movement, Urdu was the most favoured language. Urdu created unity among the people. Many Muslim leaders like Sir Syed Ahmed Khan, Abdul Majeed Sindhi, Allama Iqbal, Hasrat Mohani, Allama Shibli Nomani, Quaid-e-Azam and many others favoured Urdu.