thank you so much for the reply . khas ma mero bahini ko US ma bhako keta sanga kura chali rako bhayera i wanted to know directly from experienced people in sajha. she doesn't want to sacrifice her career just to get into USA ... ma ta kasaile jabab na deko bhayera maile lekhna dhang purayena ki bhanera sochi raako thiye. thanks for ur advise. I m googling what retrogression is but if u don't mind to tell it , please let me know that too !! Thank You so much again.