Lehman Bros. Outsourced to Wipro, Tata Posted on March 7, 2019 Wipro, TCS in deal with Lehman Bros Wipro, TCS in deal with Lehman Bros https://www.amazon.com/Chain-Blame-Street-Mortgage-2008-07-08/dp/B01FGLBVEQ/ref=sr_1_1?keywords=chain+of+blame&qid=1552027268&s=gateway&sr=8-1