Till december 2018, According to Operating ratio data of IR, NORTHERN, EASTERN, SOUTHERN, SOUTH CENTRAL, KOAA METRO, etc r the worst performers and LOSS makers of IR. While EAST COAST, SOUTH EAST CENTRAL, SOUTH EASTERN, EAST CENTRAL, etc are the BEST Performers of IR... Those zones having more freight movement r the best performers coving the loss made by the zones like ER, NR, SR , etc which r mainly passenger carrying zones