The correct answer is: Baba Chauranginath.
Baba Chauranginath was a 16th-century saint who lived in Rohtak, India. He was a disciple of Guru Gorakhnath, and is considered to be one of the most important saints in the Nath tradition.
The fair in his memory is held every year in the month of Phalgun, which is the month of February-March in the Gregorian calendar. The fair is a major event in the region, and attracts pilgrims from all over India.
The fair is held at the Baba Chauranginath Mandir, which is a temple dedicated to the saint. The temple is located on the outskirts of Rohtak, and is a popular tourist destination.
The fair is a time for people to pay their respects to Baba Chauranginath, and to seek his blessings. It is also a time for people to socialize and enjoy the festivities.
The fair features a number of activities, including religious ceremonies, music and dance performances, and food stalls. It is a time for people to come together and celebrate the life and teachings of Baba Chauranginath.
A. Baba Mastnath was a 14th-century saint who lived in the Indian state of Rajasthan. He was a disciple of Guru Matsyendranath, and is considered to be one of the most important saints in the Nath tradition.
B. Saint Haridas was a 16th-century saint who lived in the Indian state of Gujarat. He was a disciple of Guru Nanak Dev, and is considered to be one of the most important saints in the Sikh tradition.
C. Guru Gorakhnath was a 12th-century saint who lived in the Indian state of Uttarakhand. He was the founder of the Nath tradition, and is considered to be one of the most important saints in Hinduism.
D. Baba Chauranginath was a 16th-century saint who lived in the Indian state of Haryana. He was a disciple of Guru Gorakhnath, and is considered to be one of the most important saints in the Nath tradition.