New Delhi, May 1 -- India will soon have an official survey of formal (or incorporated) service sector enterprises based on the GST database. Such a dataset will fill a critical empirical dark spot in the Indian economy. India's official statistical system currently has a detailed statistical database of the registered manufacturing (Annual Survey of Industries) and comprehensive survey-based data on informal sector enterprises. These facts were given out in a press release issued by the ministry of statistics and programme implementation, which released the summary findings of a pilot study on Annual Survey of Service Sector Enterprises (ASSSE). The pilot survey, the release said is "a foundation for launching a robust, full-scale annual s...