Don't Know What Happened) is an Indian television series which premiered on Colors TV on 1 December 2008.

The story takes off after 10 years of Aradhna's marriage to Shailendra Sareen.

Brinda wants her status in the family to strengthened and to also have a part of the property of her share; (for her children Sagar and Simran) The show deals with the extramarital affairs of Shailendra-; And him never loving/finding time to spend with Aradhna.

They never managed to realise the importance of Aradhna in the Sareen house, therefore never learnt their lesson.

Aradhna does not forgive Shailendra fully, but instead says that if he was treated in the same way that she was, how would he feel, and the serial ended on a puzzling note.