Aloy Bhuban Bhora - S01E112 - Riya changes colours

Watch Aloy Bhuban Bhora Season 1 Episode 112. It was telecast on the 12th of September, 2018, by Colors Bangla channel. Riya alters her colors Shruti becomes helpless after Riya retracts all claims against Arya. That leaves Shruti in a difficult circumstance. Tirtha is also critical of Shruti for blame-shifting Arya. What made Riya alter her mind?