Complex sentence: Thiruvenkadam Velupillai was the District land Officer in the Ceylon Government Angered by what he saw as discrimination against Tamil people by successive Sri Lankan governments, he joined the student group TIP during the standardization debates.
Split into simpler sentences: Thiruvenkadam Velupillai was the District land Officer in the Ceylon Government The origin for his rebellious philosophy was the systematic discrimination against Tamil people by the dictating Sri Lankan governments. As a result he joined the student group TIP during the standardization debates.