Following as it did

[Man_From_India]

I came across this sentence -

Although his (Nirmal) detainment (in prison) lasted only a day or two, the experience had a profoundly unsettling effect on Nirmal, following as it did on his rejection by Nilimas's (Nirmal's wife) family and his separation from his own.
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I can't understand the meaning of "following as it did". I want to know about the usage and analysis of this wording. I understood the meaning that Nirmal's stay in prison had a great impact on his life, following his separation from both the family.

 

[Tdol]

It's like because it followed.

 

[Man_From_India]

But why the "on" after "as it did"? It will read like "follow on ..."

 

[5jj]

It is follow on.

 

[Man_From_India]

Thank you everyone. I got it. Just another question - can I use this kind of inversion with other words? Can you please give other examples using such construction?

Another question regarding the original sentence -
What is the sequence of events? First going to prison and then separation from family. Right?