<Li> Residual powers, retained by the central government </Li> <Ul> <Li> Soviet Union <Ul> <Li> Fundamental Duties under article 51 - A </Li> <Li> Mandated planning commission to oversee economic development </Li> </Ul> </Li> </Ul> <Li> Soviet Union <Ul> <Li> Fundamental Duties under article 51 - A </Li> <Li> Mandated planning commission to oversee economic development </Li> </Ul> </Li> <Ul> <Li> Fundamental Duties under article 51 - A </Li> <Li> Mandated planning commission to oversee economic development </Li> </Ul>

The concept of fundamental duties of indian constitution was borrowed from which country