The correct answer is: D. All of the above
Teej fair, Vaman Dwadashi fair, and Gugga Navami fair are all fairs that are held in Ambala district in the month of Shravana.
Teej fair is a Hindu festival that is celebrated in the month of Shravana. It is a festival of love and devotion, and is celebrated by women to pray for the well-being of their husbands. The fair is held at the Teej Mandir in Ambala, and is a popular tourist attraction.
Vaman Dwadashi fair is a Hindu festival that is celebrated on the twelfth day of the waxing moon in the month of Shravana. It is a festival that celebrates the victory of the dwarf god Vaman over the demon king Bali. The fair is held at the Vaman temple in Ambala, and is a popular tourist attraction.
Gugga Navami fair is a Hindu festival that is celebrated on the ninth day of the waxing moon in the month of Shravana. It is a festival that celebrates the victory of the god Gugga over the demon Chanda. The fair is held at the Gugga temple in Ambala, and is a popular tourist attraction.