human development is divided in seven stages in India . these seven stages are;
1- Pregnancy (conception to birth )
2-Infancy ( birth to 5 years)
3-Childhood (5 to 12 years)
4-Adolescence ( 12 to 18 years )
5-Youth (18 to 25 years)
6-Adulthood (25 years to 55 years)
7-Old age ( 55 years till death )