Pfizer to shut manufacturing plants in Chennai, Aurangabad

US drugmaker Pfizer on Wednesday said it will be shutting down two of its manufacturing facilities in Tamil Nadu's Chennai and Maharashtra's Aurangabad due to non-viability of operations. The closure of the units, which make generic injectables like penicillin, will affect a total of 1,700 employees. Pfizer added that both plants do not manufacture products for the India market.