Match List I with List II:

List I(Toxic Substance Group)		List II(Level of Carcinogenicity)
A.	Group A	I.	Probable Human Carcinogen
B.	Group B	II.	Not Classified
C.	Group C	III.	Human Carcinogen
D.	Group D	IV.	Possible Human Carcinogen

Correct option is D

• Group A refers to substances classified as Human Carcinogens (III), meaning there is sufficient evidence to confirm they can cause cancer in humans.
• Group B refers to substances classified as Probable Human Carcinogens (I), meaning there is enough evidence to suggest that these substances are likely to cause cancer in humans.
• Group C refers to substances classified as Possible Human Carcinogens (IV), indicating there is limited or insufficient evidence to suggest they cause cancer in humans.
• Group D refers to substances classified as Not Classified (II), meaning there isn't enough data to make any judgment regarding their carcinogenicity.