Navjot Singh Sidhu wrote letters to Pakistani Prime Minister Imran Khan and Indian Prime Minister Narendra Modi demanding that the old pristine landscape and terrain of the area of Kartarpur Sahib (Pakistan) where Guru Nanak Sahib, founder of Sikhi, spent His last around 18 years, should not be disfigured in the name of ‘commercialization’ and ‘visitors comforts.’