Correct Answer: (c) Stone age
Solution:Famous painted rock shelters of Lakhudiyar, dating back to -the Stone Age, are situated in Almora district of Uttarakhand. These rock shelters bear the evidence of artistic expression of early cave dwellers. The walls and ceilings of these rock shelter are covered with white, red and black coloured paintings and drawings depicting their daily life, hunting scene and different kind of symbols.