President Pranab Mukherjee has appointed acting chief justices to four high courts as the respective chief justices have been elevated to the Supreme Court.Justice Huluvadi Gangadharappa has been appointed as acting chief justice of Madras High Court, Justice Kalpesh Jhaveri for Rajasthan High Court, Justice Thottathil B Radhakrishnan for Kerala High Court and Justice Pritinker Diwakar...