On certain day six passengers from Chennai, Bengaluru, Kochi, Mumbai and Hyderabad boarded the New Delhi bound Rajdhani Express from Tata Nagar. The following facts are known about these six passengers.
I. The persons from Kochi and Chennai are less than 36 yr of age.
II. Person Z, the youngest among all is a Doctor.
III. The oldest person is from Kolkata and his/her profession is same as the person who got down at Mughal Sarai.
IV. The persons from Bengaluru, Chennai, Hyderabad and Mumbai got down at four different stations. The eldest among these four got down at Koderma and the youngest at Kanpur. The person who got down at New Delhi is older than the person who got down at Mughal Sarai.
V. The engineer from Bengaluru is older than the engineer from Chennai.
VI. While arranging teachers in increasing order of age, it is observed that the middle person is as old as the engineer from Chennai.
VII. Person Y got down at Mughal Sarai is less than 34 yr old.
VIII. The teacher from Kochi is 4 yr older than the 31 yr old doctor who is not from Mumbai.
What can be the age of Y?