The major religion in Goa is:

The correct answer is Christianity.

Christianity is the dominant religion in Goa, with around 65% of the population identifying as Christian. The majority of Christians in Goa are Catholics, followed by Protestants.

Hinduism is the second largest religion in Goa, with around 25% of the population identifying as Hindu. Islam is the third largest religion, with around 8% of the population identifying as Muslim. Sikhism is the fourth largest religion, with around 2% of the population identifying as Sikh.

The following is a brief description of each of the four religions mentioned in the question:

• Christianity is a monotheistic religion based on the teachings of Jesus Christ. Christians believe that Jesus is the Son of God and that he died on the cross to save humanity from sin.
• Hinduism is a polytheistic religion that originated in India. Hindus believe in a multitude of gods and goddesses, and they believe in the cycle of reincarnation.
• Islam is a monotheistic religion based on the teachings of the prophet Muhammad. Muslims believe that Muhammad is the last prophet of God and that the Quran is the word of God.
• Sikhism is a monotheistic religion that originated in India. Sikhs believe in one God and they follow the teachings of Guru Nanak Dev Ji.