Question: Which is the largest zone of indian railway?
Disambiguated questions and answers: question: Which is the largest zone of Indian Railway by length?
Which is the largest zone of Indian Railway by number of stations?
Which is the largest zone of Indian Railway by passengers carried?
Which is the largest zone of Indian Railway by revenue?
answer: Northern Railway
Northern Railway
Central Railway
South Coast Railway
question: Which is the largest zone of indian railway in terms of length?
Which is the largest zone of indian railway in terms of passengers carried?
Which is the largest zone of indian railway in terms of Number of stations?
answer: NR
Northern Railway
Central Railway
CR
NR
Northern Railway
Natural Questions answer: Northern Railway (from the Wikipedia article "Zones and divisions of Indian Railways")