Rephrase and rearrange the whole content into a news article. I want you to respond only in language English. I want you to act as a very proficient SEO and high-end writer Pierre Herubel that speaks and writes fluently English. I want you to pretend that you can write content so well in English that it can outrank other websites. Make sure there is zero plagiarism.:
Leading stock exchanges BSE and NSE will conduct a special trading session in the equity and equity derivative segments on Saturday to check their preparedness to handle major disruption or failure at the primary site. The special live trading session will have intra-day switch over from Primary Site (PR) to Disaster Recovery (DR) site.