The correct option is B 7
Guru Nanak Dev was born on 13 April 1469 to Mata Tripta and Mehta Kalu in Talwandi, a village in the Sheikhupura district, to the west of Lahore. He was the founder of Sikhism and the first Guru of the Sikhs. At the age of seven, he was sent to the school ran by Pandit Gopal. He astonished his teacher with his fluency in explaining deeper truths about man and God and even gave spiritual interpretation to each Punjabi alphabet.