Company has spent the last year in detailed market research and testing A year after setting up a wholly-owned Indonesian subsidiary, Tata Motors,on Tuesday, launched three models for the local market : the Tata Aria, TataSafari and Tata Vista. The auto sector in Indonesia has been particularly buoyant, registering 25per cent growth in 2012, when a record 1.12 million cars were sold. However, Tata Motors…