Passengers on Harbour line may be inconvenienced as there are megablocks on the CST-Kurla and Vadala-Bandra routes on Sunday. Said an official : “All Down harbour line services to Bandra / Andheri leaving CST from 10.48 am to 3.33 pm on Sunday and the Up harbour line services for CST leaving Bandra / Andheri from 10.40 am to 4.13 pm will remain suspended.”