Chandigarh, April 5 -- The Punjab and Haryana high court on Friday sought a response from the Punjab government on Shiromani Akali Dal (SAD) leader and former deputy chief minister Sukhbir Singh Badal's plea for a probe by either the Central Bureau of Investigation (CBI) or National Investigation Agency (NIA) into the "murderous attack" on him at Golden Temple, Amritsar, on December 4 last year....