There are so many courses available and you should be able to get many of these online. I once came across a real estate website and once I subscribed, newsletters have been hitting my email fortnightly. Having said this, marketing is something that requires the drive first, rather than training.
There are numerous advanced Marketing Institutes yet picking best is exceptionally troublesome. I have done my Digital Marketing Course from DMP (Digital Marketing Pathshala). I have thought that it was great. Personnel was exceedingly Experienced and the best part they furnish both Offline and Online classes with viable classes.