Even Sudoku (Mini Sudoku Series #3)

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

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.