To answer this question, let's go through each option to understand why it is correct or incorrect:
Option A) Adam Gilchrist - This option is incorrect because Adam Gilchrist did not stump Sachin Tendulkar in the 1996 World Cup off Mark Waugh's bowling.
Option B) Jimmy Maher - This option is incorrect because Jimmy Maher did not stump Sachin Tendulkar in the 1996 World Cup off Mark Waugh's bowling.
Option C) Matthew Elliot - This option is incorrect because Matthew Elliot did not stump Sachin Tendulkar in the 1996 World Cup off Mark Waugh's bowling.
Option D) Ian Healy - This option is correct because Ian Healy stumped Sachin Tendulkar in the 1996 World Cup off Mark Waugh's bowling. It happened during a group stage match between Australia and India on February 27, 1996.
Therefore, the correct answer is D) Ian Healy.