A couple allegedly committed suicide after being overcharged for water consumption by their landlord in Kalamna area of Nagpur, police said on Monday.

Used vehicle dealer Manoj Vasudeo Lodhi (45) and his wife Mamta (40), residents Gauri Nagar, were found hanging on Sunday night and a suicide note recovered from the spot stated they had been overcharged for water consumption by landlord Ishfaq Sheikh, an official said.