<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> Punjabi literature, specifically literary works written in the Punjabi language, is characteristic of the historical Punjab of India and Pakistan and the Punjabi diaspora . The Punjabi language is written in several scripts, of which the Shahmukhi and Gurmukhī scripts are the most commonly used in Pakistan and India, respectively . </P> <P> The earliest Punjabi literature is found in the fragments of writings of the 11th Nath yogis Gorakshanath and Charpatnah which is primarily spiritual and mystical in tone . Notwithstanding this early yogic literature, the Punjabi literary tradition is popularly seen to commence with Fariduddin Ganjshakar (1173--1266). whose Sufi poetry was compiled after his death in the Adi Granth . </P>

Who wrote first scientific history of punjabi literature