Budgetary control requires the preparation of

(a) Training schedule

(b) Budgets

(c) Network diagram

(d) Responsibility centres

Budgetary control technique of managerial control involves the preparation of budgets for each operation of the organisation and then comparing the realised results with the budgetary standards. 

A budget is a quantitative statement defining the objectives to be achieved in a specified time period and the policies to be followed.