Justice Madan B. Lokur, whom the Mamata Banerjee government appointed on Monday to a two-member judicial probe into the Pegasus controversy, has often found himself at odds with the Narendra Modi government. So much so that last October, the Centre had rushed to stall the Supreme Court’s move to appoint him as a one-man committee to monitor efforts to prevent Delhi’s air pollution. The government got the court to withhold the appointment by promising an ordinance on air quality management. Advertisement As a sitting judge, Justice Lokur had headed a bench that delivered an unpalatable verdict for the Modi government on extra-judicial killings.