By Neeraj Bali Chandigarh, Nov 1 (UNI) Forty-two years after losing her husband, son and three other relatives in the 1984 anti-Sikh violence, Jagdish Kaur, who moved from Delhi to Amritsar after the killings, said the memories of the attacks remain as painful as ever. Kaur, a key witness in the case that led to the conviction of former Congress leader Sajjan Kumar, recalled how mobs attacked Sikh families in Delhi following the assassination of then Prime Minister Indira Gandhi on October 31, 1984. Her husband, Kehar Singh, and son Gurpreet Singh were killed when a mob attacked their home…