Migration, embraces two factors: (1) going from one place to another, and (2) the intention to make the destination a place of abode or residence in future; it has the motion of transference of allegiance from the country of departure to the country of adoption, Badruz Zaman v. State, AIR 1951 All 16.
Migration, means coming to India with the intention of residing here permanently, Shrimati Sanno Devi v. Mangal Sain, AIR 1961 SC 810.
Migration is changing one's abode, quitting one's place of abode and settling permanently at another place, Vimla Bai v. Hiralal Gupta, (1990) 2 SCC 22.