I have purchased Your Aquaguard Reviva R.O. Water purifier to drink pure water on dt. 10-2-2007.After 2 to 3 days your sale persone came to install the instrument.During installation they found some problem with pump.They tried but did not success. At last they went out saying to replace it within 2 to 3 days. After that about 25 days has been gone, nobody took care to replace it or not a contect me when it will restore..I have contect your sale person Mr. Amit patel to restore the instrument but they tell me to come next day but... read full review »