REF-38. Excerpt Deoband to Bareily by Allaamah Kaukab Noorani Okarvi-
It is permitted to take parshaad (the remnants of food presented to and idol) on the occasion of the Hindu festivals of Holi and Deewaali. (Fataawa Rasheediyah, vol 2, pg 130). (But to eat food distributed on the occasion of Faatihah and Niyaaz is prohibited....and haram)