भारतीय राष्ट्रीय कांग्रेस का प्रसिद्ध सूरत विभाजन किस वर्ष हुआ था?

The Karachi Session of the Indian National Congress was held in the year ________ and was presided over by ________.

Where was the 'India House' organization, founded by Shyamji Krishna Varma in the early twentieth century, based?