The correct answer is: B. 1953.
Kala Sangam is a famous theatre in Patna, India. It was established in 1953 by the Sangeet Natak Akademi, a government-funded organization that promotes Indian performing arts. Kala Sangam is home to a number of different performing arts groups, including a dance troupe, a music ensemble, and a drama company. It also hosts a variety of cultural events, such as concerts, plays, and dance recitals.
Option A is incorrect because Kala Sangam was established in 1953, not 1990.
Option C is incorrect because Kala Sangam was established in 1953, not 2010.
Option D is incorrect because Kala Sangam was established in 1953, not 1962.