Irregular Sudoku (Mini Sudoku Series #2)

This Puzzle was created by "Ritesh Gupta" and his brother "Hitesh Gupta" for Indian Sudoku Mock Tests.
This is the 2nd Mini Sudoku puzzle, I am posting in Mini Sudoku Series.

  Rules of Mini Irregular Sudoku

Fill in the grid from 1 through 6 so that every row, every column, and every outlined region contains distinct digits.

Irregular Sudoku (Mini Sudoku Series #2)

Next Mini Sudoku Series Puzzle:  Even Sudoku (Mini Sudoku Series #3)

Previous Mini Sudoku Series Puzzle: Classic Sudoku (Mini Sudoku Series #1)

Answer to Mini Sudoku Series Puzzle titled Sudoku 2D (Mini Sudoku Series #4)

Sudoku 2D (Mini Sudoku Series #4) Solution

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