Option b is the correct answer. Damdama is a Mesolithic site in the Pratapgarh district of Uttar Pradesh, where 41 human graves were found, including one triple burial grave. The grave was found in the uppermost layer of the site, and it contained the remains of two adults and one child. The cause of death and the relationship between the individuals are unknown. Damdama is also notable for having a large number of animal bones, especially those of cattle, sheep, goat, deer, pig, and fish. These bones indicate that the Mesolithic people were engaged in hunting, fishing, and domestication of animals.