Sasural Simar Ka spolier

Sasural Simar Ka:
The fake Roli's aka Nagin revelation and why she is after Simar, Sid and her family is revealed. The Nagin spoke on how her husband (a snake) died after sucking back the venom from Sid. Thus, she sees her husband in Sid and wants him and also the trunk having the corpse of her husband (snake). The fake Roli played with Shruti's memory but now Simar got all details. Shruti also got back her memory and knows she is Roli. Sid comes to know of Nagin's truth and informs her on choosing his wife - real Roli and even threatens to take his life. This leads to a triangular tussle with Simar-Roli- Fake Roli. Fake Roli and Roli compete for Sid and they come up with a challenge of 15 days in getting him. The one losing the bet has to leave permanently from Bhardwaj's family. The fake Roli is going to entice Siddhant romantically with some dance. However, Shruti aka Roli will generate the sound (Been) to distract the fake Roli - Nagin. With such efforts, Roli would try to put some roadblocks for fake Roli's attempts to win Siddhant. Who is giving to win this tussle centered on 15 day challenge - Nagin or Roli ?