The correct answer is: a) Hindu and Mughal styles.
Sikh architecture is a unique blend of Hindu and Mughal styles. It is characterized by its use of domes, arches, and minarets, as well as its intricate tile work and calligraphy. Some of the most famous examples of Sikh architecture include the Golden Temple in Amritsar, the Harimandir Sahib in Patna, and the Gurdwara Bangla Sahib in Delhi.
Hindu architecture is a diverse and complex style that has evolved over centuries. It is characterized by its use of columns, brackets, and lintels, as well as its intricate carvings and sculptures. Some of the most famous examples of Hindu architecture include the Taj Mahal in Agra, the Konark Sun Temple in Orissa, and the Hampi ruins in Karnataka.
Mughal architecture is a style that developed during the Mughal Empire in India. It is characterized by its use of domes, arches, and minarets, as well as its intricate tile work and calligraphy. Some of the most famous examples of Mughal architecture include the Red Fort in Delhi, the Taj Mahal in Agra, and the Jama Masjid in Delhi.
The other options are incorrect because they do not accurately describe Sikh architecture. Option b) is incorrect because Rajput architecture is a style that developed in the Rajput kingdoms of northern India. It is characterized by its use of red sandstone, its intricate carvings, and its use of chhatris (domed pavilions). Option c) is incorrect because Indian architecture is a broad term that encompasses a wide variety of styles, including Hindu, Mughal, and Rajput architecture. Option d) is incorrect because Buddhist and Jain architecture are two distinct styles that developed in India. Buddhist architecture is characterized by its use of stupas (dome-shaped structures) and chaityas (halls with a central nave), while Jain architecture is characterized by its use of temples with elaborately carved facades.