She was under depression after a verbal clash with Union minister Mr. Shashi tharoor in the flight when they are on the way to Delhi. Mr. Manish  a senior congress leader was also with them in that flight . According to him sunanda was under depression . He tried to convince her on the ground of her clash with her husband. She checked out the airport with tears in her eyes.

This is a natural death or something else. Things become more complicated after postmortum as doctors noticed some wound scars on sunanda’s body.