What is the current status of the factory that was the cause of the Bhopal disaster?

Select one:

a$.$ It is decaying away with time and continuing to release hazardous chemicals into the environment

b$.$ It has been renovated with updated equipment and continues to operate

c$.$ It has been demolished and is now a state park for all to enjoy

d$.$ The part of the plant associated with the disaster has been destroyed, however, other parts of the facility continue to operate