HYDERABAD: Hyderabad Metropolitan Water Supply and Sewerage Board managing director M Adhar Sinha will interact with customers in the Dial Your MD programme on March 17. Consumers can convey their grievances and suggestions on water and sewerage issues quoting their CAN number between 6 pm and 6.30 pm on phone numbers 66752212, 66752213 or 66752214. It will be telecast on CTV/CTV2 channels.