POWER TECH WIND ENERGY, is the division of WHITE STONE INFORMATION SYSTEMS PVT LTD  ISO-9001 certified company, represents today one of the most promising and attracting sector, Renewable energy. mainly due to the shift from a product-centric strategy - based on standard, low cost and high volume production - to a customer-centric strategy - based on complex mix of products and services devoted to enhance the experience of the customer in terms of satisfaction