The country's central drug regulatory authority has listed samples of more than 50 drugs, including paracetamol, Pan D, calcium and vitamin D3 supplements, and anti-diabetes pills, as "not of standard quality" in its latest report.

The batches of medicines flagged by the Central Drugs Standard Control Organisation (CDSCO) in its drug alert for August are of companies such as Alkem Laboratories, Hindustan Antibiotics Limited, Hetero Labs Limited, Karnataka Antibiotics and Pharmaceuticals Ltd, Nestor Pharmaceuticals Ltd, Priya Pharmaceuticals and Scott-Edil Pharmacia Ltd.