Option 1: Regulate -> means to control or maintain order, but doesn't directly oppose the concept of interruption.
Option 2: Forward -> means to send ahead or advance, but is not a strong opposite to disrupting.
Option 3: Atone -> means to make amends, unrelated to disruption.
Option 4: Accelerate -> means to speed up or facilitate smooth progress.
Hence, Option 4: Accelerate -> To disrupt is to interrupt or hinder progress, while to accelerate is to facilitate and speed up continuous, uninterrupted progress. These represent opposite effects on the flow of activities or processes. -> correct
This is NTA official answer key. Marks are awarded to only those who have selected 4