del, particularly based on past experience and using data on public distribution and procurement by 1973-74. They have to be worked out taking into account the projected procurement within the district, projected movement of foodgrains, from one district to others obtained from the least cost solution referred to above, and the number of turnovers which the public distribution system would call for in each district. Specifically, if C be the public distribution requirement for the year within the district, B the required capacity to be determined for pipeline storage, and T the number of times grain rotated in a year, the following identity holds good:
