Assertion: In India, the railway system has been divided into 26 zones.
Reasoning: It's very large size puts a lot of pressure on a centralised railway management system.
Answer & explanation
Correct answer: option 4
Indian Railways is the largest government undertaking in the country. The length of the Indian Railways network was 67,956 km (Railway yearbook 2019-20). It's very large size puts a lot of pressure on a centralised railway management system. Thus, in India, the railway system has been divided into 16 zones.