The festival commemorating the victory of good over evil in Jammu is known as:

Navratri and Dussehra
Diwali
Holi
Eid

The correct answer is: a) Navratri and Dussehra.

Navratri is a Hindu festival that celebrates the victory of good over evil. It is a nine-day festival that is celebrated in the month of Ashvin (September-October). The first eight days of Navratri are dedicated to the worship of nine different forms of the goddess Durga. The ninth day is celebrated as Dussehra, which marks the victory of Rama over Ravana.

Diwali is a Hindu festival of lights that is celebrated every year in the month of Kartik (October-November). It is a five-day festival that is celebrated to mark the victory of good over evil, the return of Rama to Ayodhya after 14 years of exile, and the destruction of the demon Narakasura by Krishna.

Holi is a Hindu festival of colors that is celebrated every year in the month of Phalgun (February-March). It is a two-day festival that is celebrated to mark the arrival of spring and the victory of good over evil.

Eid is a Muslim festival that celebrates the end of the holy month of Ramadan. It is a three-day festival that is celebrated with feasting, prayers, and gift-giving.

Navratri and Dussehra are the two most important festivals in Jammu. They are celebrated with great pomp and show. The people of Jammu dress up in their traditional attire and visit temples to offer prayers to the goddess Durga. They also participate in various cultural events and fairs that are organized during these festivals.