The historic 'Purna Swaraj' (Complete Independence) resolution was passed at the Lahore Session of the Indian National Congress under the presidency of:

💡 Solution & Explanation

Jawaharlal Nehru successfully presided over the historic 1929 Lahore session of the Indian National Congress where the resolution for Purna Swaraj or complete independence was formally adopted. Other nationalist leaders like Mahatma Gandhi and Subhas Chandra Bose played critical roles in different sessions or movements, but the honor of presiding over this specific session went to Nehru. This session also witnessed the unfurling of the newly adopted tricolor flag of independence on the banks of the Ravi River.