Thoughts of future tracks

From promos I see Sakshi Tanwar can not be Rupali the one who is supposed to be dead by all of us in this forum for whatever reason. It was clearly mentioned that Sakshi is a new entry who will reveal the past meaning someone who knows Raagini, Rupali and Nachiket among others. Or, Rupali is not dead at all and very much alive. If so then how can Suhaani be her daughter. From Raagini's reactions towards Suhaani, it does not appear the Raagini thinks Suhaani is her daughter. So Sakshi Tanwar who knew the infant baby switch ala PR. will have to reveal this past perhaps.