Classic Sudoku (Mini Sudoku Series #1)

I recently started Mini Sudoku Series on this blog. The is the first Sudoku puzzle, I am posting in the this Mini Sudoku Series.
This Puzzle was created by  Ritesh Gupta and his brother  Hitesh Gupta  for Indian Sudoku Mock Test.

Rules of Mini Sudoku

Fill in the grid from 1 through 6 so that every row, every column and every 3x2 boxes region contains distinct digits.

Classic Sudoku (Mini Sudoku Series #1)

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

Answer to Mini Sudoku Series Puzzle titled Sudoku 2D (Mini Sudoku Series #5)

Sudoku 2D (Mini Sudoku Series #5) Solution