To carry out maintenance work of track, signalling & overhead equipments, a jumbo block will be taken between Churchgate and Mumbai Central (local) stations from 11.00 hrs to 16.00 hrs on Sunday, 13th May, 2012 on Up and Down Local lines (i.e. slow corridor).During the period, all Up and Down slow line trains will run on through lines (i.e. fast corridor) between Churchgate and Mumbai Central stations. Due to the block some local trains will remain cancelled.Detailed information to this effect is available with concerned Station Masters. Passengers are requested to take note of the above arrangements.