स्वतंत्रता संग्राम के दौरान, स्वदेशी आंदोलन को किस क्षेत्र में 'वंदे मातरम आंदोलन' के रूप में जाना जाता 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?