Statement: The state government has issued a notification to the effect that all the coaching classes must register themselves immediately giving details of fees, infrastructural facilities and bio-data of teachers.
Assumptions:
I. All those coaching classes which do not have requisite infrastructure and teachers may close down
II. All the coaching classes may hereafter charge uniform fees for all the students

Statement II is not an implicit assumption. It is not necessary that after this notice the coaching will charge uniformly. Fees is dependent on many factors such as material provided, infrastructure quality, teacher quality, number of dedicated hours etc. It is not necessary that all these factors are same due to the notice.
Statement I is an implicit assumption. If government issues this notice, it may be the case that coaching which have poor teachers and infrastructure may close down.

Thus, A is the correct answer.