High Quality Content by WIKIPEDIA articles! Harvinder Singh Phoolka, commonly known as H. S. Phoolka, is a senior advocate of Delhi High Court, Human Rights activist, and author. He is known for spearheading one of the longest and most tortuous legal "crusades" to gain justice for the victims of 1984 anti-Sikh riots and fighting individual cases on the involvement of Congress-I leaders H. K. L. Bhagat, Sajjan Kumar and Jagdish Tytler despite the government cover-up. He received threatening letters for unearthing involvements of ruling political party leaders in what the Asian Age called "the Mother of all Cover-ups" in a front-page story. The special anniversary edition of the Outlook (magazine) included Phoolka in its list of 50 people that make a difference in India, alongside Amartya Sen and Abhinav Ghosh.