Known Yet Not KnownNo posterKnown Yet Not Known1977Queuebrick VideoQueueLWatchedWFavoriteFListsDiscussionWhere to watchCopy short link1977Known Yet Not KnownDirected by Basu Bhattacharya·1977QueueLWatchedWFavoriteFWhere to watchListsRateRateNA/10 avgNo member ratings yetOverviewDiscussionbasu bhattacharya filmDirectorBasu BhattacharyaOverviewDiscussionCastCrewDetailsWhere to watchNo cast listed.