1920 में शुरू किए गए असहयोग आंदोलन में निम्नलिखित में से किसे छोड़कर सभी शामिल थे?

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?