Pagal Nilavu written update, December 20, 2018: Arjun and Sneha in big trouble

In the latest episode of Pagal Nilavu, Arjun declares to Sneha that he is determined to find the culprit responsible for Tamizh's pregnancy. He says suicide is his only go-to if she doesn’t accept in spite of it.
Sneha says that she will never let Arjun take such extreme steps. Sneha adds that she would marry him if he proves the same. Tamizh is sad as Arjun deserted her.Malar and other family members try to enquire more about the issue.
The family members get angry seeing Sneha and Arjun discuss their future. Azhagar screams at Sneha for the untimely chat with Arjun. Andal and Malar grill Sneha for breaking her promise of not talking to Arjun.
Azhagar declares to get Sneha and Dilip married in no time. Sneha is locked in her room and she is not supposed to even try talking to Arjun.
Also Azhagar warns Arjun to not even dare to keep Tamizh away (after marrying her) and think of Sneha.
Azhagar orders Malar to make arrangements for Sneha-Dilip’s marriage and takes Sneha away.
Arjun announces that neither Sneha will marry Dilip nor he’ll lead his life with Tamizh. Tamizh says that she will commit suicide if Arjun deserts her. Malar asks Tamizh to calm down.