Guru Nanak Dev Ji delivered a transforming sermon to the Noorshahi in which region?

The correct answer is Kamrup (Assam). Key Points Guru Nanak Dev Ji delivered his discourse to the famous sorceress Nur Shah in Kamrup, located in modern-day Assam. During this encounter, Guru Nanak Dev Ji composed the hymns of "Kuchaji" and "Suchaji" to illustrate the difference between an unrefined and a refined soul. Nur Shah attempted to use her magical arts to allure the Guru and his companion Bhai Mardana but was spiritually transformed by the Guru's teachings. This event took place during Guru Nanak Dev Ji's first Udasi (spiritual journey) towards the eastern parts of India. Additional Information Saidpur: Known today as Eminabad (in Pakistan), it was the site of Babur's devastating third invasion where Guru Nanak Dev Ji was temporarily imprisoned. Kartarpur: The city founded by Guru Nanak Dev Ji on the banks of the Ravi River, where he spent the final years of his life practicing farming and community service. Jagannath Puri: An important pilgrimage site in Odisha where Guru Nanak Dev Ji composed the universal Aarti hymn in Raag Dhanasri, declaring nature itself as the true ritual of worship.