Jaaniye kaise Dr. APJ Abdul Kalam ek chhote se ghar se nikalke Missile Man of India bane

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'. Dr. APJ Abdul Kalam's life was a (1)/ sage of dedication in the (2)/ cause of educational reforms in India. (3)/ No Error (4)