The water and sewer connections of two major malls, The Great India Place Mall in sector 38A and Logix City Centre Mall in Sector 32, were cut along with six industrial units by the Noida Authority on Thursday. The step was taken by NA against the non-payment of total dues of Rs 46 crore. There are 107 big defaulters who together owe more than Rs 10 lakh in pending bills for water and sewer connections for several years, the officials said.