 When Eklavya started this work in 2007 the necessary momentum for this task was provided by the formulation of NCF (2005) and subsequent textbook writing exercise in 2005.Eklavya created a science curriculum with emphasis on classes 9 and 10.Bal Vaigyanik was working on developing specific skills among children – the ability to measure, tabulating the data in a meaningful manner, drawing inferences, generalizing, etc.