Upanayana is a sacred thread ceremony performed for young boys in the Hindu caste system, marking their entry into adulthood and their specific caste.

The primary function of a caste system is to maintain social order and hierarchy by dividing society into distinct groups based on birth, occupation, and ritual status.

Hinduism is the major religion in India, with a majority of the population identifying as Hindu.

The Vedas are the sacred texts of Hinduism, consisting of four collections of hymns, prayers, and philosophical teachings.

Hajj is an annual pilgrimage to Mecca, Saudi Arabia, which is a mandatory religious duty for Muslims who are physically and financially able to make the journey.

The central belief of Christianity is the divinity of Jesus Christ, who is believed to be the Son of God and the Messiah.

The Guru Granth Sahib is the sacred text of Sikhism, which contains the teachings of the Sikh Gurus and is considered the living Guru of the Sikhs.

The primary goal of Buddhism is to achieve nirvana, which is a state of liberation from suffering and the cycle of rebirth.

Diksha is a sacred initiation ceremony in Jainism, which marks the formal entry of an individual into the Jain monastic order.

The central belief of Zoroastrianism is the existence of one supreme God, Ahura Mazda, who is the creator and sustainer of the universe.

Bar Mitzvah is a Jewish coming-of-age ceremony for boys, marking their transition into adulthood and their religious responsibilities.

The primary goal of Taoism is to achieve harmony with the Tao, which is the fundamental principle of the universe and the source of all existence.

Hatsumode is a Shinto ritual of visiting a shrine or temple for the first time in the new year, to pray for good luck and prosperity.

The primary goal of Confucianism is to cultivate moral character and social harmony by emphasizing the importance of filial piety, loyalty, and respect for authority.

The Nineteen Day Feast is a Baha'i ritual of gathering together for prayers, fellowship, and consultation on community affairs.