when will baa die in kyunki saas bhi kabhi bahu thi?

can any1 please tell me the song they always play in the background with Nakul and Sanchi in kyunki saas bhi khabhi bahu thi?

starting date of kyunki saas bhi kabhi bahu thi.i want to know total time period of kyunki saas bhi kabhi bhau thi

answer bit fast

If not, which one is?

This question is for people who watch Indian serials. What happned toKyunki Saas bhi Kabhi Bahu th?
can anyone tell me what happened in the last episode of Kyunki Saas bhi Kabhi Bahu thi briefly?
I know it is a long time since it ended.
Does anyone know why it ended suddenly?