The phrase "throwing light on" implies shedding light or providing information on a particular topic. Antonyms for this phrase could include "obscuring," "hiding," or "veiling," which would indicate a lack of clarity or concealment of information. Other possible antonyms might include "misleading," "confusing," or "muddying," which would imply that the information provided is inaccurate or confusing in some way. Alternatively, "ignoring" or "neglecting" could be considered antonyms, as they suggest a lack of attention or interest in providing information. Ultimately, the most appropriate antonym will depend on the particular context in which the phrase is being used.