bhitara mandira - of the interior of the temple; upara - the ceiling; sakala mājila - cleansed everything; siṁhāsana - the sitting place of the Lord; māji' - cleansing; punaḥ - again; sthāpana - setting down; karila - did.

The Lord cleansed everything inside the temple very nicely, including the ceiling. He then took up the sitting place [siṁhāsana], cleansed it and again put it in its original place.