All three seasonal own-price elasticities are the paper's headline results (abstract and conclusions report price-inelastic demand in all three seasons, no single preferred value) || 'The estimated own price elasticity is 0.42 during the winter months, 0.51 during the monsoon months and -0.29 during the summer months' (p.433)
Filippini, M., and S. Pachauri (2004): “Elasticities of Electricity Demand in Urban Indian Households.” Energy Policy 32(3), 429-436