Which of the following statements is correct regarding Migration?
1. Net migration is the total change in the number of in-migrants and out-migrants.
2. As per the 2011 census, Delhi and Mumbai are migrant magnets.
3. Higher employment opportunities are one of the Push factors of migration.
Select the correct answer using the codes given below:
1
1 and 2 only
2
2 and 3 only
3
1 and 3 only
4
1, 2 and 3