Jammu and Kashmir and Arunachal Pradesh were the fastest expanding State economies in 2015-16, according to a new series of gross State domestic product data with 2011-12 as the base year published by the Central Statistics Office. The two States also reported the fastest rise in per capita income in the same year. Arunachal Pradesh’s gross State domestic product (GSDP) expanded 16.5 per cent and that of Jammu and Kashmir 14.7 per cent at constant 2011-12 prices.