Complex sentence: After leading the Diocese for nearly eight years, Surya Prakash retired on attaining superannuation in 2014 following which the Church of South India Synod appointed K. Reuben Mark in 2015 to succeed him.
Split into simpler sentences: After leading the Diocese for nearly eight years, Surya Prakash retired on attaining superannuation in 2014. The sede vacante was filled in by the Church of South India Synod which appointed K. Reuben Mark in 2015 to succeed him.