bengaluru chief minister bs yediyurappa told the assembly on wednesday that a joint house committee would be constituted to probe alleged irregularities in setting up drinking water units in rural areas during question hour some bjp members including venkata reddy mudnal and araga jnanendra alleged that many drinking water units are defunct and there were irregularities in implementation jnanendra alleged that about rs 15 lakh has been spent on a unit when the actual cost is rs 35 lakh to rs 4 lakh rural development and panchayat raj minister ks eshwarappa defended it saying he had commissioned a survey which showed that only 4 of 18500 pure drinking water units were defunct and 26 were temporarily closed about 70 of units are working properly he addedyediyurappa intervened saying there is something to it since ruling party members are making allegations and hes okay with whatever probe decided by the house