Indore : The Regional Pollution Control Board has served one more notice to Choithram Hospital after finding water sample reports negative, on Friday. The department will take action against the hospital under the Water Pollution Control and Prevention Act. Accor-ding to Director of Regional Board RK Gupta, they inspected the hospital on Oct 31 and found anomalies including no environmental clearance from the dept. “Both the samples found negative. During survival test, we also found 0% survival in the first sample.