Constitutional Factors
- ministries appt. by Prez but advised by PM
- allocation of portfolios, removal of min
- 78(a): PM supposed to keep Prez informed of activities of Union Exec
- PM channel of commn b/w Prez and CoM
Cultural Factors
- Indian politics personality based PM more important
- personailty of PM controls large part of decision making of govt trend continues
Other reasons
- PM presides over cabinet meeting
- inter ministerial coordination
- directs ministries in case of crises
- resignation/death of PM CoM dissolved
See also: Powers of Prime MInister