Golden Temple attempted to reach Amritsar to liberate the Golden Temple. Within six months, on 31 October 1984, Indira Gandhi's Sikh bodyguards assassinated her. In 1986, Indira Gandhi's son and the next Prime Minister of India Rajiv Gandhi ordered repairs of the Akal Takht Sahib. These repairs were removed and Sikhs rebuilt the Akal Takht Sahib in 1999. One of the most important festivals is Vaisakhi, which is celebrated in the second week of April (usually the 13th). Sikhs celebrate the founding of the Khalsa on this day and it is celebrated with fervour in the Harmandir Sahib. Other important Sikh religious
Sikh Rehat Maryada communal meditation, Kirtan and the study of the holy Scriptures. Meditating and understanding of the Guru Granth Sahib is important to the development of a Sikh. One should not only study Gurmukhi and be able to read Gurbani but also understand the meaning of the text. Translations and other material may be used to assist the Sikh. The Sikh should revert to the Guru Granth Sahib for the all spiritual guidance in one's life. It is believed that a Sikh is more easily and deeply affected by Gurbani when engaged in congregational gatherings. For this reason, it is necessary for