Uniindia: Pune, Dec 21 (UNI) Maharashtra is one of the most productive states for innovation and business and for achieving people to people relationships. About 60 out of 100 companies, which are investing in Switzerland, are from Maharashtra. Pune in particular is one of the cities in the state we are looking at for skill development, innovation, investment and digitization,” said Dr. Ralf Heckner, Ambassador of Switzerland to India and Bhutan.