Answer: Guru Angad Dev Ji
Notes: Guru Angad Dev Ji, the second Sikh Guru, standardized and popularized the Gurmukhi script, making it the medium for Sikh scripture. Gurmukhi became prominent in Punjab and is mainly used to write the Punjabi language. The script was instrumental in preserving Sikh teachings.
📌 Question Number: 103 in Medieval Punjab - Sikh Gurus and Sikh Religion in the above course in App.