The correct answer is: A. 1976
Bihar Football Association (BFA) is the state governing body for football in Bihar, India. It was founded in 1976 and affiliated to the All India Football Federation (AIFF) in 1977. The BFA organizes the state football league, the Bihar State League, and the state football cup, the Bihar State Football Association Senior Invitation Football Tournament. The BFA also organizes the Bihar football team, which competes in the Santosh Trophy, the Federation Cup, and the I-League 2nd Division.
Option A: 1976 is the correct answer. The Bihar Football Association was founded in 1976.
Option B: 1986 is incorrect. The Bihar Football Association was founded in 1976, not 1986.
Option C: 1996 is incorrect. The Bihar Football Association was founded in 1976, not 1996.
Option D: 1999 is incorrect. The Bihar Football Association was founded in 1976, not 1999.