Indian toilet basin la thanni slow ah drain aagudhu... * rmba slow kidaiyadhu. * line blockage ila.. *Septic Tank kuda clean panniyachu... Vera ena reason ah irukum bro
* Air vent 20 feet ku thalli iruku... Rendu toilet ( western toilet kum indian toilet kum idaila 20 feet distance) kum common ah oru air vent dhan iruku