The correct options are
A Not providing service even after government gives the order.
B Offering bribe.
D Denial of service based on caste, religion or gender.
Delaying of service, denying service or making service as a favour is considered as corruption in the society. Denial of service based on caste, religion or gender is not encouraged; they also fall under corruption. An ambulance does not stop at red signal because it needs to reach the hospital in minimum time.