Central Railway (CR) will operate a mega block on its suburban sections for carrying out maintenance work on Sunday due to which services on main and harbour line will be diverted, CR spokesperson said.
On the main line, down fast line services leaving Chhatrapati Shivaji Terminus (CST) from 9.55am to 3.25pm will be diverted on down slow line between Matunga and Mulund stations and will halt at all stations between Sion and Mulund during the block period, the spokesperson said.
All up harbour line services from Panvel-Belapur-Vashi to CST leaving Kurla from 10.40am to 3.54pm will run via Main line between Kurla and CST. These trains will not halt at Curry Road and Chinchpokli stations.
Down harbour line services from CST and Panvel-Belapur-Vashi will run on down harbour line proper.
Down harbour line services to Bandra-Andheri leaving CST from 10.47am to 4.03pm and up harbour line services towards CST leaving Bandra-Andheri from 10.41am to 3.48pm will remain suspended, the spokesperson said.