Explanation:

Dismissal of the council of ministers when it cannot prove the confidence of the state legislative assembly comes under the Situational discretion and notconstitutional discretion.
The governor has constitutional discretion in the following cases: 1. Reservation of a bill for the consideration of the President. 2. Recommendation for the imposition of the President’s Rule in the state. 3. While exercising his functions as the administrator of an adjoining union territory(in case of additional charge). 4. Determining the amount payable by the Government of Assam,Meghalaya, Tripura and Mizoram to an autonomous Tribal District Council as royalty accruing from licenses for mineral exploration 5. Seeking information from the chief minister with regard to the administrative and legislative matters of the state.
Governor, has situational discretion in the following cases: 1. Appointment of chief minister when no party has a clear-cut majority in the state legislative assembly or when the chief minister in office dies suddenly and there is no obvious successor. 2. Dismissal of the council of
ministers when it cannot prove the confidence of the state legislative assembly. 3. Dissolution ofthe state legislative assembly if the council of ministers has lost its majority.