Mangala spilt personality...

Earlier I thought she is faking this Devi act, but today I thought may she is suffering from split personality disorder. 

no shes faking it.no split prsnlty is there. she"ll tell in 2marrow's epi abt the reason.

according to spoiler mangala say to chagni that akhiraj try to molest her and even killed her husband that is why to scare akhiraj she take devi roop