Malvika Subba, what is the secret behind her son's Name - Zayir?

Malvika Subba gave birth to a child on April 14. She waited 10 days before announcing the childbirth. The son is named Zayir Rio Subba Shrestha. Malvika gave birth to a son 5 days after Jharana Bajracharya gave birth to a son. There is a secret behind her son's Name - Zayir Rio