A jumbo block will be taken on Up & Dn fast lines from 10.35 hrs to 15.35 hrs on Sunday, 18th December, 2016 between Churchgate and Mumbai Central local stations for maintenance of track, signaling and overhead equipments. During the block all Up & Dn fast line trains will run on Up & Dn slow lines between Churchgate and Mumbai Central local stations. Some Up & Dn local trains will remain cancelled due to block. Detailed information to this effect is available with concerned Station Masters. Passengers are requested to take note of the above arrangements.