Well, I am in the end glad that Mukti slept with Prem... even though she probably regrets it more than anything now. WHy?
I am glad that Mukti's (presumably) first sexual experience was with a man she liked... no, loved, and it was her dream night. It's cute the way she wakes up smiling and giggling in the morning, rethinking everything. I am glad that she had a pleasant sexual experience, and that the rape wasn't her introduction into the world of sex.
Of course, you may say that if Mukti never slept with Prem, Sharad wouldn't have thought she was "easy" and never would have raped her... but I don't think so. He always had a way of looking at her and touching her that was not merely casual flirting. I dunno it just always made me nervous.