Series Sudoku (Fun With Sudoku #18)

This puzzle I created this for the 21st Indian Sudoku Mock Test and now re-posting it again as the 18th Sudoku in Fun With Sudoku League. Can you solve this Series Sudoku puzzle?
This is my third Sudoku for Series Sudoku type. I have earlier posted this Sudoku Type with the title Series Sudoku (Fun With Sudoku #9) and  Series Sudoku (Fun With Sudoku #15). I have also written about the story behind the given series in my first post of Series Sudoku titled  Sudoku (Fun With Sudoku #9)
The Series in this Sudoku looks interesting and frankly as of now even I am not able to recall the logic of this series. I think I should start putting the answers to these Series before I forget all of them. Anyway, the moment I remember the logic of this series, I will post it as the answer to this series. Meanwhile, if you can come up with any logic for this series, please do comment about it.

Rules and Instructions of Series Sudoku

Series Sudoku (Fun With Sudoku #18)
Series Sudoku (Fun With Sudoku #18)

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