Many Haryanvi folk dances celebrate:

Harvest festivals
Religious occasions
Weddings and social events
All of the above

The correct answer is: All of the above.

Haryanvi folk dances are a vibrant and colorful part of the culture of Haryana, India. They are performed on a variety of occasions, including harvest festivals, religious occasions, weddings, and social events.

Harvest festivals are a time of celebration and thanksgiving for the abundance of crops. Folk dances are performed to express joy and gratitude. Some popular harvest festivals in Haryana include Lohri, Makar Sankranti, and Baisakhi.

Religious occasions are also a time for celebration and dancing. Folk dances are performed to honor the gods and goddesses. Some popular religious occasions in Haryana include Holi, Diwali, and Dussehra.

Weddings are a time of great joy and celebration. Folk dances are performed to welcome the bride and groom into their new life together. Some popular wedding dances in Haryana include the Ghumar and the Jhumar.

Social events are also a time for dancing. Folk dances are performed to entertain guests and to create a festive atmosphere. Some popular social events in Haryana include birthdays, anniversaries, and housewarming parties.

Haryanvi folk dances are a beautiful and expressive form of art. They are a vital part of the culture of Haryana and are enjoyed by people of all ages.