New Delhi: Long before Satluj became the centre of a dispute over censorship, national security and Punjab’s history, the Supreme Court examined the evidence surrounding the abduction and killing of human rights activist Jaswant Singh Khalra. In its November 4, 2011 judgment, a Bench of Justices P Sathasivam and B S Chauhan dismissed appeals filed by five Punjab Police personnel and declined to interfere with their convictions and life sentences…