President of India Ramnath Kovind addressing in Parliament live

 History & precedent of President Ramnath Kovind address in Parliament,Both House

This year's first Parliament session begins Friday with President Ram Nath Kovind's address. 

This year's first Parliament session begins Friday with President Ram Nath Kovind's address. How did this tradition begin, what is the protocol followed, and what have the speeches dwelt on over the years?