Vanathai Pola - Promo | 29 May 2021 | Sun TV Serial | Tamil Serial Watch the Latest Promo of popular Tamil Serial #VanathaiPola that airs on Sun TV. Vanathai Pola - Promo | 29 May 2021 | Sun TV Serial | Tamil Serial Vanathai Pola is a family drama serial on Sun TV. Chinraasu, a compassionate villager, loved by the whole village and Thulasi, a cheerful & fun-loving young girl are siblings who can go to any lengths for each other. They lose their parents at a very young age and raised by their grandmother. Follow this unique story about the sibling bond shared by Chinraasu and Thulasi, as they stand by each other, while finding love & joy in the trials of life.