The correct answer is (a) Bahraich.
Syed Salar Mela is a Muslim festival held in Bahraich, India, every year in the month of Rabi-ul-Awwal. It is a major tourist attraction and is held to commemorate the death of Syed Salar Masud, a Muslim saint who is believed to have fought against the Hindu king Gopal Chandra. The festival is a week-long affair and includes a number of religious and cultural events, such as qawwali singing, poetry recitation, and horse and camel races.
Option (b), Barabahki, is incorrect because it is a town in the Indian state of Uttar Pradesh. It is located about 100 kilometers from Bahraich.
Option (c), Fathepur Sikri, is incorrect because it is a historical city in the Indian state of Uttar Pradesh. It was founded by the Mughal emperor Akbar in the 16th century.
Option (d), Gonda, is incorrect because it is a city in the Indian state of Uttar Pradesh. It is located about 150 kilometers from Bahraich.