2) Gayathri so far doesn't know that Tejas had duped Manasi's father. Her conversation with Manasi's Maami gave her some hint but not the complete truth. Sooner or later Gayathri will get to know and to use it to her advantage she may reveal it to Manasi before Tejas is able to confess (it anyway doesn't seem like he wants to confess unless a situation compells him to) - Predictable yes but this is my Speculation #2
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