Outside Killer Sudoku (Fun With Sudoku #46)

I was one of the author for WPF Sudoku Grand Prix 3rd Round and this Outside Killer Sudoku is my one of the contribution for this championship. Outside Killer Sudoku type was created by me years back when I created my first puzzle of this type for LMI Sudoku Mock Test.
This is my fourth Outside Killer Sudoku. My earlier 9x9 size puzzles of this type are Outside Killer Sudoku (Daily Sudoku League #98)  and Outside Killer Sudoku (Daily Sudoku League #77).

Moreover there is one 6x6 Outside Killer Sudoku which is tough one is published with title Outside Killer Sudoku (Daily Sudoku League #95).
This Outside Killer Sudoku, I am publishing as 46th Sudoku in Fun With Sudoku Series.

Rules of Outside Killer Sudoku

Outside Killer Sudoku (Fun With Sudoku #46)

Outside Killer Sudoku (Fun With Sudoku #46) Solution

Previous Fun With Sudoku Series Puzzle: Classic Sudoku
Next Fun With Sudoku Series Puzzle: Classic Sudoku

Solution of Mini Sudoku Series Puzzle: Non Consecutive Sudoku (Mini Sudoku Series #30)

Non Consecutive Sudoku (Mini Sudoku Series #30) Solution