Actually, if you're talking about the name of the show, it served its purpose when Murli re-married Bharti - at that point, they should have ended it. Instead, they dragged it on w/ several stupid tracks, until most of the actors themselves got sick of it. But they were stuck w/ that name - there is no way one can rename a serial midstream - all one can do is end it as part 1, and produce a sequel w/ a different name.
On your other point, the show was originally supposed to be about midgets, but that plot was quickly lost. Except for a few occasions, like when Murli's friends teased Bharti, or when she was harassed by eunuchs just b4 her divorce, or recently when Murari was tossing her up, and caused her to regain her memory, the theme of this show was totally lost. Like I noted in the past, this was (and is) nothing short of a saas bahu show, w/ the only difference being the height of the bahu. W/ the leap, it's now only different b'cos of the height of the saas.
This show was crap long b4 this leap - when they were doing things like Murari & his mata ki chowk, Chimpti & her manipulations, Bharti hiding her pregnancy complications from the rest of the family, the past birth, the attempted sacrifice of Veehan and so on. People who have stopped watching only now really have a very poor idea of what's good, if they think that just having an attractive jodi w/ a few romantic scenes is all that's needed. Vikrant and others leaving the show are not what's making this crap - it was the asinine plots b/w the death of Rupesh and Murli that made it crap long b4 that. In fact, now, it could be undergoing a potential improvement, but the character of Jasmine, Adi and the vain sister look like they might be spoilers once again.