The correct option is C blue
Travels or Divine Journeys of Guru Nanak Ji called Udasis. During these Udasis(religious tours), he visited holy places of different faith, met people of various faiths, professed his newfound path.The third time Guru Nanak Dev Ji left home on his famous Udasis in 1514 he trekked towards the north. He disguised himself in the blue dress of a Mohammadan pilgrim The places visited by him included Srinagar, Gurdwara Sri Nanak Mata Sahib, Gurudwaras in Jammu & Kashmir, etc