To answer this question, you need to have knowledge about the death anniversary of Mahatma Gandhi, also known as Martyr's Day.
Option A) 12 January - This option is incorrect because the death anniversary of Mahatma Gandhi is not on 12 January.
Option B) 15 January - This option is incorrect because the death anniversary of Mahatma Gandhi is not on 15 January.
Option C) 11 January - This option is incorrect because the death anniversary of Mahatma Gandhi is not on 11 January.
Option D) 30 January - This option is correct because the death anniversary of Mahatma Gandhi, also known as Martyr's Day, is observed on 30 January. Mahatma Gandhi was assassinated on 30 January 1948.
The correct answer is D) 30 January.