Students exposed to chemical that causes cancer
Students belonging to Karachi (Pakistan) and taking the board examinations of classes IX and XI are routinely exposed to toxic chemicals, it is learnt. Overexposure to at least one of these chemicals
Students belonging to Karachi (Pakistan) and taking the board examinations of classes IX and XI are routinely exposed to toxic chemicals, it is learnt. Overexposure to at least one of these chemicals