Complex sentence: Tania and her mother along with Lali come to stay at Sikander Villa for Hina's engagement and when Tania goes to give milk to Talal at night, she closes the door from inside.
Split into simpler sentences: Tania and her mother along with Lali come to stay at Sikander Villa for Hina's engagemen. When Tania goes to give milk to Talal at night, she closes the door from inside.