Following law passed
No one should involve or encourage in conversion of religion.

No one should convert a person from one religion to another religion or profess them own religion and belief with similar intention by using or not using any means of attraction and by disturbing religion or belief of any ethnic groups or community that being practiced since ancient times.

If found guilty; there will be punishment of five years of imprisonment and penalty of fifty thousand rupees [approximately $770 USD]. If foreigners are found guilty; they will have to be deported within seven days after completing the imprisonment in third clause.
http://www.christianitytoday.com/news/2017/october/nepal-criminalizes-conversion-christianity-evangelism-hindu.html