‘Sulahkul Festival’ of Hindu-Muslim unity is organised at

Agra
Aligarh
Etawah
Barabanki

The correct answer is (a) Agra.

The Sulahkul Festival is a Hindu-Muslim unity festival that is organized every year in Agra, India. The festival is a celebration of the shared history and culture of Hindus and Muslims in Agra. It features a variety of cultural events, including music, dance, and food. The festival is also an opportunity for Hindus and Muslims to come together and build bridges of understanding and cooperation.

Agra is a city in the Indian state of Uttar Pradesh. It is located on the banks of the Yamuna River, about 200 kilometers (120 miles) south of Delhi. Agra is famous for its many historical monuments, including the Taj Mahal, one of the Seven Wonders of the World. The city is also home to a large Muslim population.

The Sulahkul Festival was first organized in 2004 by a group of local residents who wanted to promote peace and harmony between Hindus and Muslims. The festival has been growing in popularity every year, and it now attracts visitors from all over India.

The Sulahkul Festival is a unique event that celebrates the shared history and culture of Hindus and Muslims in Agra. It is an opportunity for people of different faiths to come together and build bridges of understanding and cooperation.

The other options are incorrect because they are not cities in Uttar Pradesh where the Sulahkul Festival is organized.