Major train route changes in Secundrabad division
source https://timesofindia.indiatimes.com/city/visakhapatnam/major-train-route-changes-in-secundrabad-division/articleshow/110918287.cms
source https://timesofindia.indiatimes.com/city/visakhapatnam/major-train-route-changes-in-secundrabad-division/articleshow/110918287.cms