"The canal will be closed from October 15 for twenty days for maintenance work affecting about 30 to 40 per cent of water supply," Executive engineer of UP irrigation department Sudarshan Lal said.
The department has informed Delhi Jal Board about it, he said.
Water supply to 19 districts of Uttar Pradesh including Muzaffarnagar, Meerut, Bulandshahr, Aligarh, Etah, Hathras and Firozabad will also be affected, he added.
