Answer:
d. April 2015-March 2016
Explanation:
After March 2015, The Continuous budget will be updated for the 12-month, period starting from April 2015 to March 2016.
such that:
Quarter 1 - January to March
Quarter 2 - April to June
First revision and update will be on the basis of outcomes of Quarter 1, for the one year year period starting from Quarter 2.
Therefore, The period would the first revision and update to the January through December 2015 budget cover April 2015 to March 2016.