Who is liable for compensation?

one "R"(driver in a pvt co.) gave lift to his brother "A"(driver in govt. Office), while both were going for an official work, while returning A insisted on drawing, on much persuance R gave in. But A drove rashly which led to an accident, killing both A nd R, and injuring a taxi driver and his pengers. Plz provide some points (Indian law) in favor or R and his cmpany...plz help its urgent