(a) the number of solar panels installed at the rooftops of the houses in the rural and urban areas in the country since 2010;
(b) whether the target fixed for the installation of solar panels for the year 2015-16 was achieved;
(c) if not, the reasons therefor; and
(d) the details of the targets fixed for the installation and promotion of solar panels in rural areas during the year 2016-17 and the progress made in this regard?