Development :

A. Retardation

B. Retrogression

C. Transgression

D. Progress

E. Impunity

Answer: Option B

Solution(By Examveda Team)

Retardation : delay or hold back in terms of progress or development.
Retrogression : the process of returning to an earlier state, typically a worse one
Transgression : an act that goes against a law, rule, or code of conduct; an offence
Progress : Development
Impunity : exemption from punishment or freedom from the injurious consequences of an action.

Correct option is Retrogression.