NORTHERN ZONE NOIDA NOIDA(LK) JALANDHAR DEHRADUN JODHPUR EASTERN ZONE CHENNAI VISAKHAPATNAM SECUNDERABAD TUTICORIN NORTH EASTERN ZONE KOLKATA KOLKATA(DP) SHILLONG PARADIP WESTERN ZONE MUMBAI BHOPAL KOCHI NEW MANGALORE NORTH WESTERN ZONE GANDHINAGAR .