What are the IUPAC names of the insecticide DDT and benzene hexachloride? Why is their use banned in India and other countries?

Explanation

The IUPAC name of DDT is 2,2-bis (4-chlorophenyl)-1,1,loroethane and that of benzene hexachloride is 1,2,3,4,5,6-hexachlorocyclohexane. Their use in in india and other contries has been banned because they are not biodegradalb.e as a result, these insecticides enter the food chain of animals and get deposited in their fatty tissues over a period of time and affect their reproductive systems.