If any Hindi wallas wants others to learn laung they need to do a couple of things rather than expect other to follow them 1. Have better quality literature - Unfortunately Hindi do not have a Literature History better than any south India States 2. Have better economic growth prospects. If you know hindi the bst you can get a job is as driver any where in North india . So dont wrry if english gives you economic freedom go ahead and learn it . if its french that give it to u do it . If chinees laung can help you do it