Read the following passage and solve the questions based on it.
Mr Sinha has six children—Pankaj, Ravi, Santosh, Tipu, Vikash and Prakash. They all were born on 13th November, but each was born in a different year, during six consecutive years. It is also known that
(i) Pankaj is elder to Santosh.
(ii) Ravi is elder to both Tipu and Vikash.
(iii) Prakash is two years older than Tipu.
(iv) Pankaj was born either in the year 2002 or 2003.
(v) The oldest member of the group was born in the year 2000.
If Prakash is the eldest child, then which of the following is definitely true?