INDIA will take "appropriate action" after completing an investigation into a complaint that a drug regulator helped switch samples of cough syrup linked to the death of children in Gambia in return for a bribe, two officials said. The World Health Organization (WHO) linked the syrups made by India's Maiden Pharmaceuticals to the deaths of 70 children in 2022, though India's government said subsequent tests at an Indian government laboratory showed the syrups were not toxic. Maiden, whose factory is based in Haryana state, denies wrongdoing. Reuters reported in June last year that a lawyer named Yashpal accused Haryana's drug controller, Manmohan…