Even Sudoku (Mini Sudoku Series #3)

This Puzzle was created by "Ritesh Gupta" and his brother "Hitesh Gupta" for Indian Sudoku Mock Tests.
This Sudoku puzzle, I posted back in year 2010 and now re-publishing this puzzle as 3rd Mini Sudoku puzzle  in Mini Sudoku Series.

  Rules of Mini Even Sudoku

Fill in the grid from 1 through 6 so that every row, every column and every outlined region contains distinct digits. The colored boxes represent even numbers only.

Even Sudoku (Mini Sudoku Series #3)

Next Mini Sudoku Series Puzzle:  Sudoku 2D (Mini Sudoku Series #4) 

Previous Mini Sudoku Series Puzzle: Irregular Sudoku (Mini Sudoku Series #2)

Answer to Mini Sudoku Series Puzzle titled Sudoku 2D (Mini Sudoku Series #7)

Sudoku 2D (Mini Sudoku Series #7) Solution