About the PU L.L.B. Professional 3 Year Course Originally established in the year 1889, Department of Law under Panjab University (that time in Lahore) is one of the oldest law department. It is one of the most regarded and reputed department that offers LLB (5 years) and LLB (3 years). Every year this department holds entrance exam for admission to law aspirants looking to seek admissions under LLB course.