I thought I was an expert in solving Sudoku puzzles. Well, every pride has its fall, and I've realized that The Hindu is supplying puzzles for pre-kindergarten admission rejects.
Check out these sites for some real Sudoku action!
SUDOKU MASTER (Some real toughies here!)
SUDOKU NAME (Play with timer & set your difficulty level)
SUDOKU FUN (Online Speed Challenge)
WEB SUDOKU (Try their Evil level)
There are hundreds of such websites, and I do hope that The Hindu increases its difficulty level soon.
The next step in evolution - Try out this deadly 16x16 grid