Khanna was speaking what he thought was the truth. He said North West Indians - which typically refer to Jats and Punjabis.
His observation about South Indians is wrong. He should spend some time in Bangalore to understand how disciplined South Indians are.
Khanna has done the right thing by speaking out. Unless we speak out the truth, we are condemned to repeat our mistakes.
For example islamism was responsible for splitting our nation. If we dont speak about it and be politically correct, things will not improve. Muslims will continue to be manipulated by ummah elements, arabists and mullahs, who have worldover caused disaster.