I've completed my MSc Physics & working in the mechanical industery from 3 years. so please suggest me some cources.

You can do B.Tech in Mechanical Engineering which is offered by Karanataka State Open University. As per your qualification, you will get admission in direct 2 year , so you can complete the course in 3 years time. For details you may visit the website of the Industry, www.ksouvirtual.com