Central-Mangalore-Chennai Central West Coast Express (formerly 16627/16628), Chennai Central-Alappuzha-Chennai Central Express (formerly 16041/16042), Thiruvananthapuram Central- Shalimar-Thiruvananthapuram Central Bi-weekly Express (formerly 16323/16324), Ernakulam Junction-Patna-Ernakulam Bi-weekly Express (formerly 16309/16310), Indore- Thiruvananthapuram-Indore Ahalyanagari Express Korba-Thiruvanathapuram Central-Korba Express and Dibrugarh- Kanyakumari Express have been renumbered and will now operate as superfast trains.