In Indian economy, the sectors are divided into Private and Public on what basis?

From an economic perspective, there are three major sectors of Indian economy –primary, secondary and tertiary. However, it can also be divided into the private and public sectors on the basis of ownership of enterprises. The main difference between the private and public sectors of Indian economy is that in the later a group of individuals or an individual holds the rights to the properties whereas in the second instance the government is the owner.