Mangala Gowri Madve: Mangala vows to teach Soundarya a lesson

In the show Mangala Gowri Madve, Mangala upon learning that Soundarya had earlier attempted to kill Rajeev, decides to return to Rajeev's house. She wants to protect him from Soundarya's vicious plans. She vows to teach Soundarya a lesson and leaves the ashram.
However, Mangala hatches a plan and informs Pandu and Vijay Kumar the same. Following her plan, Mangala sends Soundarya a letter warning her.
Soundarya is shocked to see the warning letter and is gripped in fear about the anonymous sender. While she suspects the mysterious person to be someone from the family, Balli raises suspicion about Mangala being that person.
In a shocking turn of events, Mangala decides to instill fear in Soundarya and Balli's mind. She writes a warning note for Soundarya. Further, she tricks Balli into believing that the house is haunted and then attacks both Soundarya and Balli without being spotted.
Mangala takes advantage of the situation and hits Soundarya and Balli black and blue. Enraged by the attack, Soundarya and Balli decide to search for the person but fail.