Dear Nepali friends, we're facing a serious and sweeping change to the immigration flow in the US. Please take a look at the following video interview USCIS (United States Citizenship and Immigration Service)  Director:
https://www.youtube.com/watch?v=L25NkKOoA40
If the bill (HR392/S281 "Fairness for High Skilled Immigrants" passes, till the backlog in the employment based visas are cleared, no one else can get a green card. There is an absolute silence about this bill now. A couple of communities are actively opposing this bill and some lobbyist are working to remove it from DHS appropriation bill.
Please take a look at the following letters/articles:
https://forbes.com/sites/andyjsemotiuk/2018/12/01/canadians-others-brace-as-u-s-shuffles-green-card-deck/
https://www.aha.org/system/files/2018-10/181019-letter-nurses-visa.pdf
If you could please connect me to some of active folks in your community, I can provide further information.