Detailed Explanation:

I. Free Hindustan – Taraknath Das (d): Revolutionary newspaper published from Vancouver, Canada (1907–1910) advocating Indian independence.

II. Indian Opinion – Mahatma Gandhi (a): Started in South Africa (1903) to voice concerns of the Indian community and propagate Satyagraha.

III. Voice of India – Dadabhai Naoroji (b): Published from London to highlight Indian grievances and the Drain of Wealth theory.

IV. Bengalee – Surendranath Banerjee (c): Founded in 1879 in Calcutta, became a leading voice for moderate nationalism and Indian National Congress activities.

Correct Match: I – d, II – a, III – b, IV – c