Read the passage carefully and answer the following questions :
School all over India celebrate 'Children Day' on 14th November every year. On this day our great Prime Minister who had a great love for children was born. His ancestors came down from Kashmir to the rich plain below. Kaul had been his family name; this changed to Kaul Nehru; and in later years kaul was dropped and they became simply Nehru, Jawaharlal Nehru was only son of his prosperous parents. His two sisters were much younger than Jawaharlal Nehru. And so he grew up and spent his early year as a lonely child with no companion for his age. Private tutors were in charge of his education. Then he went to England and was educated at Harrow and Trinity College Cambridge.
(i) Why is 14th November celebrated as 'Children Day'.
(ii) Why did Jawaharlal Nehru spend his early years as a lonely child?
(iii) Where did Nehru's forefather come from?
(iv) What was the original name of his family?