29 PPCPs and 6 metabolites were detected in two STPs in India.
Atorvastatin, mefenamic acid and paraxanthine found for the first time in Indian STPs.
Metabolites were found 7 times higher than their parent drugs.
Conventional STP did not remove carbamazepine, diazepam and clopidogrel.
First study in India to report mass loading and emission of PPCPs into the environment.