Zim and Gold Star Line (GSL) have revised the GSL Kolkata Colombo (GKC) service with the addition of new calls at Chittagong and Kattupalli from May 2023. The revised service has been renamed Kolkata Chittagong Express Shutle (GKC) and calls at Colombo, Chittagong, Kolkata, Kattupalli, Colombo, turning in 21 days using 3 chartered ships of 1,000-1,100 teu (IMKE SCHEPERS, SINAR BANGKA, ASIATIC NEPTUNE).