Complex sentence: In 1996, when the metropolis of Madras was renamed as Chennai, the college was also renamed as the Chennai Medical College but it was later re-renamed back to the age old name of Madras Medical College, since the college was known worldwide by the older name.
Split into simpler sentences: In 1996, when the metropolis of Madras was renamed as Chennai, the college was renamed the Chennai Medical College. It was later re-renamed back to the Madras Medical College, since the college was known worldwide by the older name.