IT education and training major Aptech is re-inventing itself and introducing new modules that would help it double revenue to around Rs 1,000 crore over the next three years.The company had posted revenue of around Rs 500 crore during the previous fiscal.The company will concentrate on three modules - Training Solutions, Learning Services and 'Testing and Certification - to increase revenues, Pramod Khera, CEO and managing director of Aptech, said.Aptech, which already has tie-ups with Welinkars and Symbosis to conduct online examinations and certifications, is also planning an increased focus on these sectors.Aptech is also looking at setting up 12 centres for TOEFL exams this year. Apart from the metros, the centres would be set up at Nagpur, Indore, Coimbatore and Trichi, Khera said.The company is also planning to increase the number of aviation training institutes to eight from the existing three by the end of this year.