Complex sentence: Cariappa was known as "Chimma" to his relatives, he had his formal education in the Central High School at Madikeri, after which he pursued his college education at Presidency College, Chennai.
Split into simpler sentences: Cariappa was known as "Chimma" to his relatives. He had his formal education in the Central High School at Madikeri, after which he pursued his college education at Presidency College, Chennai.