Complex sentence: In 1928, Sir C. Sankaran Nair sent a report to the central council as to why Madras should not belong to the Tamils but it was decided that Madras would remain in the Tamil region.
Split into simpler sentences: In 1928, Sir C. Sankaran Nair sent a report to the central council as to why Madras should not belong to the Tamils. It was decided that Madras would remain in the Tamil region.