The elaborate nine-night festival dedicated to Goddess Shakti:

Ganesha Chaturthi
Makar Sankranti
Navratri
Ayudha Puja

The correct answer is C) Navratri. Navratri is a nine-day Hindu festival dedicated to the worship of the goddess Shakti. It is celebrated every year in the autumn, usually in the months of September or October. The festival is marked by prayers, fasting, and feasting. Devotees also visit temples and offer prayers to the goddess.

Ganesha Chaturthi is a ten-day Hindu festival dedicated to the god Ganesha. It is celebrated every year in the month of August or September. The festival is marked by prayers, fasting, and feasting. Devotees also visit temples and offer prayers to the god.

Makar Sankranti is a Hindu and Jain festival marking the beginning of the harvest season. It is celebrated every year on January 14 or 15. The festival is marked by kite flying, feasting, and bathing in holy rivers.

Ayudha Puja is a Hindu festival dedicated to the worship of weapons. It is celebrated every year on the first day of the month of Ashwin (September or October). The festival is marked by prayers, offerings, and the decoration of weapons.