Answer:
Provide enough facilities and quality lifestyle in the country.
Step-by-step explanation:
Skilled persons exiles to another country in order to get higher education, better lifestyle, money, etc. If anyone is skilled and don't get enough money or facilities, he/she will go to another country where he/she will get his/her desired lifestyle. That's why to stop this, government will have to provide good salary, higher education, facilities to the skilled people more.